Home / 28,558.80-39,411.18-16,630.13

Finding the Fourth Proportional to 28,558.80, 39,411.18 and 16,630.13

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Solution

The fourth proportional to 28,558.80, 39,411.18 and 16,630.13 is: 22,949.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,558.80 : 39,411.18 = 16,630.13 : x
  2. Step 2: Convert to fraction form
    28,558.80/39,411.18 = 16,630.13/x
  3. Step 3: Cross multiply
    28,558.80x = 39,411.18 × 16,630.13
  4. Step 4: Simplify right side
    28,558.80x = 655,412,849.80
  5. Step 5: Solve for x
    x = 655,412,849.80/28,558.80
  6. Step 6: Final answer
    x = 22,949.59

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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.