Home / 28,902.17-39,889.23-16,972.04

Finding the Fourth Proportional to 28,902.17, 39,889.23 and 16,972.04

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Solution

The fourth proportional to 28,902.17, 39,889.23 and 16,972.04 is: 23,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.17 : 39,889.23 = 16,972.04 : x
  2. Step 2: Convert to fraction form
    28,902.17/39,889.23 = 16,972.04/x
  3. Step 3: Cross multiply
    28,902.17x = 39,889.23 × 16,972.04
  4. Step 4: Simplify right side
    28,902.17x = 677,001,607.13
  5. Step 5: Solve for x
    x = 677,001,607.13/28,902.17
  6. Step 6: Final answer
    x = 23,423.90

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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.