Home / 28,587.80-39,451.08-16,488.24

Finding the Fourth Proportional to 28,587.80, 39,451.08 and 16,488.24

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Solution

The fourth proportional to 28,587.80, 39,451.08 and 16,488.24 is: 22,753.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587.80 : 39,451.08 = 16,488.24 : x
  2. Step 2: Convert to fraction form
    28,587.80/39,451.08 = 16,488.24/x
  3. Step 3: Cross multiply
    28,587.80x = 39,451.08 × 16,488.24
  4. Step 4: Simplify right side
    28,587.80x = 650,478,875.30
  5. Step 5: Solve for x
    x = 650,478,875.30/28,587.80
  6. Step 6: Final answer
    x = 22,753.72

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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.