Home / 26,354.51-39,531.78-10,772.12

Finding the Fourth Proportional to 26,354.51, 39,531.78 and 10,772.12

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Solution

The fourth proportional to 26,354.51, 39,531.78 and 10,772.12 is: 16,158.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,354.51 : 39,531.78 = 10,772.12 : x
  2. Step 2: Convert to fraction form
    26,354.51/39,531.78 = 10,772.12/x
  3. Step 3: Cross multiply
    26,354.51x = 39,531.78 × 10,772.12
  4. Step 4: Simplify right side
    26,354.51x = 425,841,077.97
  5. Step 5: Solve for x
    x = 425,841,077.97/26,354.51
  6. Step 6: Final answer
    x = 16,158.19

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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.