Home / 27,221.78-37,572.18-17,784.92

Finding the Fourth Proportional to 27,221.78, 37,572.18 and 17,784.92

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Solution

The fourth proportional to 27,221.78, 37,572.18 and 17,784.92 is: 24,547.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,221.78 : 37,572.18 = 17,784.92 : x
  2. Step 2: Convert to fraction form
    27,221.78/37,572.18 = 17,784.92/x
  3. Step 3: Cross multiply
    27,221.78x = 37,572.18 × 17,784.92
  4. Step 4: Simplify right side
    27,221.78x = 668,218,215.53
  5. Step 5: Solve for x
    x = 668,218,215.53/27,221.78
  6. Step 6: Final answer
    x = 24,547.19

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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.