Home / 25,649.60-35,382.22-15,037.20

Finding the Fourth Proportional to 25,649.60, 35,382.22 and 15,037.20

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Solution

The fourth proportional to 25,649.60, 35,382.22 and 15,037.20 is: 20,742.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,649.60 : 35,382.22 = 15,037.20 : x
  2. Step 2: Convert to fraction form
    25,649.60/35,382.22 = 15,037.20/x
  3. Step 3: Cross multiply
    25,649.60x = 35,382.22 × 15,037.20
  4. Step 4: Simplify right side
    25,649.60x = 532,049,518.58
  5. Step 5: Solve for x
    x = 532,049,518.58/25,649.60
  6. Step 6: Final answer
    x = 20,742.99

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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.