Home / 28,305.06-39,061.17-17,700.90

Finding the Fourth Proportional to 28,305.06, 39,061.17 and 17,700.90

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Solution

The fourth proportional to 28,305.06, 39,061.17 and 17,700.90 is: 24,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305.06 : 39,061.17 = 17,700.90 : x
  2. Step 2: Convert to fraction form
    28,305.06/39,061.17 = 17,700.90/x
  3. Step 3: Cross multiply
    28,305.06x = 39,061.17 × 17,700.90
  4. Step 4: Simplify right side
    28,305.06x = 691,417,864.05
  5. Step 5: Solve for x
    x = 691,417,864.05/28,305.06
  6. Step 6: Final answer
    x = 24,427.36

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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.