Home / 28,281.52-39,024.15-16,342.55

Finding the Fourth Proportional to 28,281.52, 39,024.15 and 16,342.55

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Solution

The fourth proportional to 28,281.52, 39,024.15 and 16,342.55 is: 22,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,281.52 : 39,024.15 = 16,342.55 : x
  2. Step 2: Convert to fraction form
    28,281.52/39,024.15 = 16,342.55/x
  3. Step 3: Cross multiply
    28,281.52x = 39,024.15 × 16,342.55
  4. Step 4: Simplify right side
    28,281.52x = 637,753,992.11
  5. Step 5: Solve for x
    x = 637,753,992.11/28,281.52
  6. Step 6: Final answer
    x = 22,550.20

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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.