Home / 25,920.32-38,880.41-10,348.88

Finding the Fourth Proportional to 25,920.32, 38,880.41 and 10,348.88

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Solution

The fourth proportional to 25,920.32, 38,880.41 and 10,348.88 is: 15,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920.32 : 38,880.41 = 10,348.88 : x
  2. Step 2: Convert to fraction form
    25,920.32/38,880.41 = 10,348.88/x
  3. Step 3: Cross multiply
    25,920.32x = 38,880.41 × 10,348.88
  4. Step 4: Simplify right side
    25,920.32x = 402,368,451.29
  5. Step 5: Solve for x
    x = 402,368,451.29/25,920.32
  6. Step 6: Final answer
    x = 15,523.29

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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.