Home / 21,652.38-29,865.51-19,436.22

Finding the Fourth Proportional to 21,652.38, 29,865.51 and 19,436.22

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Solution

The fourth proportional to 21,652.38, 29,865.51 and 19,436.22 is: 26,808.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652.38 : 29,865.51 = 19,436.22 : x
  2. Step 2: Convert to fraction form
    21,652.38/29,865.51 = 19,436.22/x
  3. Step 3: Cross multiply
    21,652.38x = 29,865.51 × 19,436.22
  4. Step 4: Simplify right side
    21,652.38x = 580,472,622.77
  5. Step 5: Solve for x
    x = 580,472,622.77/21,652.38
  6. Step 6: Final answer
    x = 26,808.72

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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.