Home / 57,426.04-86,139.05-17,986.24

Finding the Fourth Proportional to 57,426.04, 86,139.05 and 17,986.24

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Solution

The fourth proportional to 57,426.04, 86,139.05 and 17,986.24 is: 26,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,426.04 : 86,139.05 = 17,986.24 : x
  2. Step 2: Convert to fraction form
    57,426.04/86,139.05 = 17,986.24/x
  3. Step 3: Cross multiply
    57,426.04x = 86,139.05 × 17,986.24
  4. Step 4: Simplify right side
    57,426.04x = 1,549,317,626.67
  5. Step 5: Solve for x
    x = 1,549,317,626.67/57,426.04
  6. Step 6: Final answer
    x = 26,979.36

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.