Home / 38,321.98-52,883.28-21,325.36

Finding the Fourth Proportional to 38,321.98, 52,883.28 and 21,325.36

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Solution

The fourth proportional to 38,321.98, 52,883.28 and 21,325.36 is: 29,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,321.98 : 52,883.28 = 21,325.36 : x
  2. Step 2: Convert to fraction form
    38,321.98/52,883.28 = 21,325.36/x
  3. Step 3: Cross multiply
    38,321.98x = 52,883.28 × 21,325.36
  4. Step 4: Simplify right side
    38,321.98x = 1,127,754,983.98
  5. Step 5: Solve for x
    x = 1,127,754,983.98/38,321.98
  6. Step 6: Final answer
    x = 29,428.41

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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.