Home / 28,407.17-39,199.57-16,471.23

Finding the Fourth Proportional to 28,407.17, 39,199.57 and 16,471.23

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Solution

The fourth proportional to 28,407.17, 39,199.57 and 16,471.23 is: 22,728.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,407.17 : 39,199.57 = 16,471.23 : x
  2. Step 2: Convert to fraction form
    28,407.17/39,199.57 = 16,471.23/x
  3. Step 3: Cross multiply
    28,407.17x = 39,199.57 × 16,471.23
  4. Step 4: Simplify right side
    28,407.17x = 645,665,092.19
  5. Step 5: Solve for x
    x = 645,665,092.19/28,407.17
  6. Step 6: Final answer
    x = 22,728.95

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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.