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Finding the Fourth Proportional to 25,671.16, 35,426.24 and 14,493.16

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Solution

The fourth proportional to 25,671.16, 35,426.24 and 14,493.16 is: 20,000.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,671.16 : 35,426.24 = 14,493.16 : x
  2. Step 2: Convert to fraction form
    25,671.16/35,426.24 = 14,493.16/x
  3. Step 3: Cross multiply
    25,671.16x = 35,426.24 × 14,493.16
  4. Step 4: Simplify right side
    25,671.16x = 513,438,164.52
  5. Step 5: Solve for x
    x = 513,438,164.52/25,671.16
  6. Step 6: Final answer
    x = 20,000.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.