Home / 25,385.04-38,077.29-9,791.73

Finding the Fourth Proportional to 25,385.04, 38,077.29 and 9,791.73

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Solution

The fourth proportional to 25,385.04, 38,077.29 and 9,791.73 is: 14,687.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,385.04 : 38,077.29 = 9,791.73 : x
  2. Step 2: Convert to fraction form
    25,385.04/38,077.29 = 9,791.73/x
  3. Step 3: Cross multiply
    25,385.04x = 38,077.29 × 9,791.73
  4. Step 4: Simplify right side
    25,385.04x = 372,842,542.81
  5. Step 5: Solve for x
    x = 372,842,542.81/25,385.04
  6. Step 6: Final answer
    x = 14,687.49

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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.