Home / 25,726.28-35,509.20-15,123.02

Finding the Fourth Proportional to 25,726.28, 35,509.20 and 15,123.02

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Solution

The fourth proportional to 25,726.28, 35,509.20 and 15,123.02 is: 20,873.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,726.28 : 35,509.20 = 15,123.02 : x
  2. Step 2: Convert to fraction form
    25,726.28/35,509.20 = 15,123.02/x
  3. Step 3: Cross multiply
    25,726.28x = 35,509.20 × 15,123.02
  4. Step 4: Simplify right side
    25,726.28x = 537,006,341.78
  5. Step 5: Solve for x
    x = 537,006,341.78/25,726.28
  6. Step 6: Final answer
    x = 20,873.84

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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.