Home / 26,412.18-39,631.17-11,619.25

Finding the Fourth Proportional to 26,412.18, 39,631.17 and 11,619.25

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Solution

The fourth proportional to 26,412.18, 39,631.17 and 11,619.25 is: 17,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,412.18 : 39,631.17 = 11,619.25 : x
  2. Step 2: Convert to fraction form
    26,412.18/39,631.17 = 11,619.25/x
  3. Step 3: Cross multiply
    26,412.18x = 39,631.17 × 11,619.25
  4. Step 4: Simplify right side
    26,412.18x = 460,484,416.52
  5. Step 5: Solve for x
    x = 460,484,416.52/26,412.18
  6. Step 6: Final answer
    x = 17,434.55

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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.