Home / 25,627.28-35,359.61-15,555.47

Finding the Fourth Proportional to 25,627.28, 35,359.61 and 15,555.47

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Solution

The fourth proportional to 25,627.28, 35,359.61 and 15,555.47 is: 21,462.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,627.28 : 35,359.61 = 15,555.47 : x
  2. Step 2: Convert to fraction form
    25,627.28/35,359.61 = 15,555.47/x
  3. Step 3: Cross multiply
    25,627.28x = 35,359.61 × 15,555.47
  4. Step 4: Simplify right side
    25,627.28x = 550,035,097.99
  5. Step 5: Solve for x
    x = 550,035,097.99/25,627.28
  6. Step 6: Final answer
    x = 21,462.88

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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.