Home / 28,824.29-42,949.89-25,680.14

Finding the Fourth Proportional to 28,824.29, 42,949.89 and 25,680.14

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Solution

The fourth proportional to 28,824.29, 42,949.89 and 25,680.14 is: 38,264.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824.29 : 42,949.89 = 25,680.14 : x
  2. Step 2: Convert to fraction form
    28,824.29/42,949.89 = 25,680.14/x
  3. Step 3: Cross multiply
    28,824.29x = 42,949.89 × 25,680.14
  4. Step 4: Simplify right side
    28,824.29x = 1,102,959,188.18
  5. Step 5: Solve for x
    x = 1,102,959,188.18/28,824.29
  6. Step 6: Final answer
    x = 38,264.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.