Home / 25,528.05-38,292.17-7,758.90

Finding the Fourth Proportional to 25,528.05, 38,292.17 and 7,758.90

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Solution

The fourth proportional to 25,528.05, 38,292.17 and 7,758.90 is: 11,638.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,528.05 : 38,292.17 = 7,758.90 : x
  2. Step 2: Convert to fraction form
    25,528.05/38,292.17 = 7,758.90/x
  3. Step 3: Cross multiply
    25,528.05x = 38,292.17 × 7,758.90
  4. Step 4: Simplify right side
    25,528.05x = 297,105,079.02
  5. Step 5: Solve for x
    x = 297,105,079.02/25,528.05
  6. Step 6: Final answer
    x = 11,638.38

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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.