Home / 25,451.19-38,191.65-10,658.85

Finding the Fourth Proportional to 25,451.19, 38,191.65 and 10,658.85

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Solution

The fourth proportional to 25,451.19, 38,191.65 and 10,658.85 is: 15,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.19 : 38,191.65 = 10,658.85 : x
  2. Step 2: Convert to fraction form
    25,451.19/38,191.65 = 10,658.85/x
  3. Step 3: Cross multiply
    25,451.19x = 38,191.65 × 10,658.85
  4. Step 4: Simplify right side
    25,451.19x = 407,079,068.60
  5. Step 5: Solve for x
    x = 407,079,068.60/25,451.19
  6. Step 6: Final answer
    x = 15,994.50

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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.