Home / 38,279.07-52,825.07-21,282.78

Finding the Fourth Proportional to 38,279.07, 52,825.07 and 21,282.78

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Solution

The fourth proportional to 38,279.07, 52,825.07 and 21,282.78 is: 29,370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,279.07 : 52,825.07 = 21,282.78 : x
  2. Step 2: Convert to fraction form
    38,279.07/52,825.07 = 21,282.78/x
  3. Step 3: Cross multiply
    38,279.07x = 52,825.07 × 21,282.78
  4. Step 4: Simplify right side
    38,279.07x = 1,124,264,343.29
  5. Step 5: Solve for x
    x = 1,124,264,343.29/38,279.07
  6. Step 6: Final answer
    x = 29,370.21

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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.