Home / 25,904.16-38,856.24-10,321.92

Finding the Fourth Proportional to 25,904.16, 38,856.24 and 10,321.92

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Solution

The fourth proportional to 25,904.16, 38,856.24 and 10,321.92 is: 15,482.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,904.16 : 38,856.24 = 10,321.92 : x
  2. Step 2: Convert to fraction form
    25,904.16/38,856.24 = 10,321.92/x
  3. Step 3: Cross multiply
    25,904.16x = 38,856.24 × 10,321.92
  4. Step 4: Simplify right side
    25,904.16x = 401,071,000.78
  5. Step 5: Solve for x
    x = 401,071,000.78/25,904.16
  6. Step 6: Final answer
    x = 15,482.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.