Home / 57,427.04-86,140.55-17,987.24

Finding the Fourth Proportional to 57,427.04, 86,140.55 and 17,987.24

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Solution

The fourth proportional to 57,427.04, 86,140.55 and 17,987.24 is: 26,980.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,427.04 : 86,140.55 = 17,987.24 : x
  2. Step 2: Convert to fraction form
    57,427.04/86,140.55 = 17,987.24/x
  3. Step 3: Cross multiply
    57,427.04x = 86,140.55 × 17,987.24
  4. Step 4: Simplify right side
    57,427.04x = 1,549,430,746.58
  5. Step 5: Solve for x
    x = 1,549,430,746.58/57,427.04
  6. Step 6: Final answer
    x = 26,980.86

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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.