Home / 28,001.50-38,641.25-16,064.12

Finding the Fourth Proportional to 28,001.50, 38,641.25 and 16,064.12

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Solution

The fourth proportional to 28,001.50, 38,641.25 and 16,064.12 is: 22,168.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,001.50 : 38,641.25 = 16,064.12 : x
  2. Step 2: Convert to fraction form
    28,001.50/38,641.25 = 16,064.12/x
  3. Step 3: Cross multiply
    28,001.50x = 38,641.25 × 16,064.12
  4. Step 4: Simplify right side
    28,001.50x = 620,737,813.71
  5. Step 5: Solve for x
    x = 620,737,813.71/28,001.50
  6. Step 6: Final answer
    x = 22,168.02

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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.