Home / 25,895.20-35,726.16-15,279.52

Finding the Fourth Proportional to 25,895.20, 35,726.16 and 15,279.52

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Solution

The fourth proportional to 25,895.20, 35,726.16 and 15,279.52 is: 21,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,895.20 : 35,726.16 = 15,279.52 : x
  2. Step 2: Convert to fraction form
    25,895.20/35,726.16 = 15,279.52/x
  3. Step 3: Cross multiply
    25,895.20x = 35,726.16 × 15,279.52
  4. Step 4: Simplify right side
    25,895.20x = 545,878,576.24
  5. Step 5: Solve for x
    x = 545,878,576.24/25,895.20
  6. Step 6: Final answer
    x = 21,080.30

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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.