Home / 21,854.34-32,804.28-19,371.30

Finding the Fourth Proportional to 21,854.34, 32,804.28 and 19,371.30

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Solution

The fourth proportional to 21,854.34, 32,804.28 and 19,371.30 is: 29,077.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,854.34 : 32,804.28 = 19,371.30 : x
  2. Step 2: Convert to fraction form
    21,854.34/32,804.28 = 19,371.30/x
  3. Step 3: Cross multiply
    21,854.34x = 32,804.28 × 19,371.30
  4. Step 4: Simplify right side
    21,854.34x = 635,461,549.16
  5. Step 5: Solve for x
    x = 635,461,549.16/21,854.34
  6. Step 6: Final answer
    x = 29,077.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.