Home / 25,276.64-34,862.96-18,560.16

Finding the Fourth Proportional to 25,276.64, 34,862.96 and 18,560.16

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Solution

The fourth proportional to 25,276.64, 34,862.96 and 18,560.16 is: 25,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,276.64 : 34,862.96 = 18,560.16 : x
  2. Step 2: Convert to fraction form
    25,276.64/34,862.96 = 18,560.16/x
  3. Step 3: Cross multiply
    25,276.64x = 34,862.96 × 18,560.16
  4. Step 4: Simplify right side
    25,276.64x = 647,062,115.67
  5. Step 5: Solve for x
    x = 647,062,115.67/25,276.64
  6. Step 6: Final answer
    x = 25,599.21

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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.