Home / 38,392.24-52,982.15-21,398.22

Finding the Fourth Proportional to 38,392.24, 52,982.15 and 21,398.22

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Solution

The fourth proportional to 38,392.24, 52,982.15 and 21,398.22 is: 29,530.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,392.24 : 52,982.15 = 21,398.22 : x
  2. Step 2: Convert to fraction form
    38,392.24/52,982.15 = 21,398.22/x
  3. Step 3: Cross multiply
    38,392.24x = 52,982.15 × 21,398.22
  4. Step 4: Simplify right side
    38,392.24x = 1,133,723,701.77
  5. Step 5: Solve for x
    x = 1,133,723,701.77/38,392.24
  6. Step 6: Final answer
    x = 29,530.02

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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.