Home / 27,898.32-38,488.54-17,824.15

Finding the Fourth Proportional to 27,898.32, 38,488.54 and 17,824.15

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Solution

The fourth proportional to 27,898.32, 38,488.54 and 17,824.15 is: 24,590.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,898.32 : 38,488.54 = 17,824.15 : x
  2. Step 2: Convert to fraction form
    27,898.32/38,488.54 = 17,824.15/x
  3. Step 3: Cross multiply
    27,898.32x = 38,488.54 × 17,824.15
  4. Step 4: Simplify right side
    27,898.32x = 686,025,510.24
  5. Step 5: Solve for x
    x = 686,025,510.24/27,898.32
  6. Step 6: Final answer
    x = 24,590.21

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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.