Home / 25,520.94-38,276.28-8,881.74

Finding the Fourth Proportional to 25,520.94, 38,276.28 and 8,881.74

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Solution

The fourth proportional to 25,520.94, 38,276.28 and 8,881.74 is: 13,320.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.94 : 38,276.28 = 8,881.74 : x
  2. Step 2: Convert to fraction form
    25,520.94/38,276.28 = 8,881.74/x
  3. Step 3: Cross multiply
    25,520.94x = 38,276.28 × 8,881.74
  4. Step 4: Simplify right side
    25,520.94x = 339,959,967.13
  5. Step 5: Solve for x
    x = 339,959,967.13/25,520.94
  6. Step 6: Final answer
    x = 13,320.82

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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.