Home / 27,442.16-37,856.40-18,007.28

Finding the Fourth Proportional to 27,442.16, 37,856.40 and 18,007.28

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Solution

The fourth proportional to 27,442.16, 37,856.40 and 18,007.28 is: 24,841.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,442.16 : 37,856.40 = 18,007.28 : x
  2. Step 2: Convert to fraction form
    27,442.16/37,856.40 = 18,007.28/x
  3. Step 3: Cross multiply
    27,442.16x = 37,856.40 × 18,007.28
  4. Step 4: Simplify right side
    27,442.16x = 681,690,794.59
  5. Step 5: Solve for x
    x = 681,690,794.59/27,442.16
  6. Step 6: Final answer
    x = 24,841.00

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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.