Home / 27,242.16-37,631.16-21,348.24

Finding the Fourth Proportional to 27,242.16, 37,631.16 and 21,348.24

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Solution

The fourth proportional to 27,242.16, 37,631.16 and 21,348.24 is: 29,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,242.16 : 37,631.16 = 21,348.24 : x
  2. Step 2: Convert to fraction form
    27,242.16/37,631.16 = 21,348.24/x
  3. Step 3: Cross multiply
    27,242.16x = 37,631.16 × 21,348.24
  4. Step 4: Simplify right side
    27,242.16x = 803,359,035.16
  5. Step 5: Solve for x
    x = 803,359,035.16/27,242.16
  6. Step 6: Final answer
    x = 29,489.55

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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.