Home / 28,518.04-39,355.50-15,942.52

Finding the Fourth Proportional to 28,518.04, 39,355.50 and 15,942.52

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Solution

The fourth proportional to 28,518.04, 39,355.50 and 15,942.52 is: 22,001.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,518.04 : 39,355.50 = 15,942.52 : x
  2. Step 2: Convert to fraction form
    28,518.04/39,355.50 = 15,942.52/x
  3. Step 3: Cross multiply
    28,518.04x = 39,355.50 × 15,942.52
  4. Step 4: Simplify right side
    28,518.04x = 627,425,845.86
  5. Step 5: Solve for x
    x = 627,425,845.86/28,518.04
  6. Step 6: Final answer
    x = 22,001.02

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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.