Home / 25,585.56-38,348.25-9,780.18

Finding the Fourth Proportional to 25,585.56, 38,348.25 and 9,780.18

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Solution

The fourth proportional to 25,585.56, 38,348.25 and 9,780.18 is: 14,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,585.56 : 38,348.25 = 9,780.18 : x
  2. Step 2: Convert to fraction form
    25,585.56/38,348.25 = 9,780.18/x
  3. Step 3: Cross multiply
    25,585.56x = 38,348.25 × 9,780.18
  4. Step 4: Simplify right side
    25,585.56x = 375,052,787.69
  5. Step 5: Solve for x
    x = 375,052,787.69/25,585.56
  6. Step 6: Final answer
    x = 14,658.77

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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.