Home / 27,025.28-40,475.28-15,909.92

Finding the Fourth Proportional to 27,025.28, 40,475.28 and 15,909.92

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Solution

The fourth proportional to 27,025.28, 40,475.28 and 15,909.92 is: 23,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,025.28 : 40,475.28 = 15,909.92 : x
  2. Step 2: Convert to fraction form
    27,025.28/40,475.28 = 15,909.92/x
  3. Step 3: Cross multiply
    27,025.28x = 40,475.28 × 15,909.92
  4. Step 4: Simplify right side
    27,025.28x = 643,958,466.78
  5. Step 5: Solve for x
    x = 643,958,466.78/27,025.28
  6. Step 6: Final answer
    x = 23,828.00

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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.