Home / 26,720.26-36,871.14-14,781.70

Finding the Fourth Proportional to 26,720.26, 36,871.14 and 14,781.70

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Solution

The fourth proportional to 26,720.26, 36,871.14 and 14,781.70 is: 20,397.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.26 : 36,871.14 = 14,781.70 : x
  2. Step 2: Convert to fraction form
    26,720.26/36,871.14 = 14,781.70/x
  3. Step 3: Cross multiply
    26,720.26x = 36,871.14 × 14,781.70
  4. Step 4: Simplify right side
    26,720.26x = 545,018,130.14
  5. Step 5: Solve for x
    x = 545,018,130.14/26,720.26
  6. Step 6: Final answer
    x = 20,397.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.