Home / 38,398.06-52,988.43-21,402.28

Finding the Fourth Proportional to 38,398.06, 52,988.43 and 21,402.28

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Solution

The fourth proportional to 38,398.06, 52,988.43 and 21,402.28 is: 29,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,398.06 : 52,988.43 = 21,402.28 : x
  2. Step 2: Convert to fraction form
    38,398.06/52,988.43 = 21,402.28/x
  3. Step 3: Cross multiply
    38,398.06x = 52,988.43 × 21,402.28
  4. Step 4: Simplify right side
    38,398.06x = 1,134,073,215.62
  5. Step 5: Solve for x
    x = 1,134,073,215.62/38,398.06
  6. Step 6: Final answer
    x = 29,534.65

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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.