Home / 38,288.28-52,837.26-21,521.16

Finding the Fourth Proportional to 38,288.28, 52,837.26 and 21,521.16

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Solution

The fourth proportional to 38,288.28, 52,837.26 and 21,521.16 is: 29,698.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,288.28 : 52,837.26 = 21,521.16 : x
  2. Step 2: Convert to fraction form
    38,288.28/52,837.26 = 21,521.16/x
  3. Step 3: Cross multiply
    38,288.28x = 52,837.26 × 21,521.16
  4. Step 4: Simplify right side
    38,288.28x = 1,137,119,126.42
  5. Step 5: Solve for x
    x = 1,137,119,126.42/38,288.28
  6. Step 6: Final answer
    x = 29,698.88

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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.