Home / 25,553.53-38,330.43-8,913.70

Finding the Fourth Proportional to 25,553.53, 38,330.43 and 8,913.70

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Solution

The fourth proportional to 25,553.53, 38,330.43 and 8,913.70 is: 13,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,553.53 : 38,330.43 = 8,913.70 : x
  2. Step 2: Convert to fraction form
    25,553.53/38,330.43 = 8,913.70/x
  3. Step 3: Cross multiply
    25,553.53x = 38,330.43 × 8,913.70
  4. Step 4: Simplify right side
    25,553.53x = 341,665,953.89
  5. Step 5: Solve for x
    x = 341,665,953.89/25,553.53
  6. Step 6: Final answer
    x = 13,370.60

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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.