Home / 42,925.20-64,390.69-14,847.97

Finding the Fourth Proportional to 42,925.20, 64,390.69 and 14,847.97

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Solution

The fourth proportional to 42,925.20, 64,390.69 and 14,847.97 is: 22,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,925.20 : 64,390.69 = 14,847.97 : x
  2. Step 2: Convert to fraction form
    42,925.20/64,390.69 = 14,847.97/x
  3. Step 3: Cross multiply
    42,925.20x = 64,390.69 × 14,847.97
  4. Step 4: Simplify right side
    42,925.20x = 956,070,969.96
  5. Step 5: Solve for x
    x = 956,070,969.96/42,925.20
  6. Step 6: Final answer
    x = 22,272.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.