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Finding the Fourth Proportional to 24,671.28, 37,008.72 and 7,141.20

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Solution

The fourth proportional to 24,671.28, 37,008.72 and 7,141.20 is: 10,712.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,671.28 : 37,008.72 = 7,141.20 : x
  2. Step 2: Convert to fraction form
    24,671.28/37,008.72 = 7,141.20/x
  3. Step 3: Cross multiply
    24,671.28x = 37,008.72 × 7,141.20
  4. Step 4: Simplify right side
    24,671.28x = 264,286,671.26
  5. Step 5: Solve for x
    x = 264,286,671.26/24,671.28
  6. Step 6: Final answer
    x = 10,712.32

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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.