Home / 25,880.14-35,715.86-14,553.20

Finding the Fourth Proportional to 25,880.14, 35,715.86 and 14,553.20

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Solution

The fourth proportional to 25,880.14, 35,715.86 and 14,553.20 is: 20,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,880.14 : 35,715.86 = 14,553.20 : x
  2. Step 2: Convert to fraction form
    25,880.14/35,715.86 = 14,553.20/x
  3. Step 3: Cross multiply
    25,880.14x = 35,715.86 × 14,553.20
  4. Step 4: Simplify right side
    25,880.14x = 519,780,165.78
  5. Step 5: Solve for x
    x = 519,780,165.78/25,880.14
  6. Step 6: Final answer
    x = 20,084.13

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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.