Home / 27,521.48-37,995.38-18,117.38

Finding the Fourth Proportional to 27,521.48, 37,995.38 and 18,117.38

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Solution

The fourth proportional to 27,521.48, 37,995.38 and 18,117.38 is: 25,012.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,521.48 : 37,995.38 = 18,117.38 : x
  2. Step 2: Convert to fraction form
    27,521.48/37,995.38 = 18,117.38/x
  3. Step 3: Cross multiply
    27,521.48x = 37,995.38 × 18,117.38
  4. Step 4: Simplify right side
    27,521.48x = 688,376,593.02
  5. Step 5: Solve for x
    x = 688,376,593.02/27,521.48
  6. Step 6: Final answer
    x = 25,012.34

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Double scale
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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.