Home / 28,737.76-39,658.10-16,162.50

Finding the Fourth Proportional to 28,737.76, 39,658.10 and 16,162.50

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Solution

The fourth proportional to 28,737.76, 39,658.10 and 16,162.50 is: 22,304.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.76 : 39,658.10 = 16,162.50 : x
  2. Step 2: Convert to fraction form
    28,737.76/39,658.10 = 16,162.50/x
  3. Step 3: Cross multiply
    28,737.76x = 39,658.10 × 16,162.50
  4. Step 4: Simplify right side
    28,737.76x = 640,974,041.25
  5. Step 5: Solve for x
    x = 640,974,041.25/28,737.76
  6. Step 6: Final answer
    x = 22,304.25

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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.