Home / 25,773.16-38,835.28-21,195.72

Finding the Fourth Proportional to 25,773.16, 38,835.28 and 21,195.72

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Solution

The fourth proportional to 25,773.16, 38,835.28 and 21,195.72 is: 31,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,773.16 : 38,835.28 = 21,195.72 : x
  2. Step 2: Convert to fraction form
    25,773.16/38,835.28 = 21,195.72/x
  3. Step 3: Cross multiply
    25,773.16x = 38,835.28 × 21,195.72
  4. Step 4: Simplify right side
    25,773.16x = 823,141,721.00
  5. Step 5: Solve for x
    x = 823,141,721.00/25,773.16
  6. Step 6: Final answer
    x = 31,937.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.