Home / 21,427.01-32,140.52-7,391.06

Finding the Fourth Proportional to 21,427.01, 32,140.52 and 7,391.06

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Solution

The fourth proportional to 21,427.01, 32,140.52 and 7,391.06 is: 11,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,427.01 : 32,140.52 = 7,391.06 : x
  2. Step 2: Convert to fraction form
    21,427.01/32,140.52 = 7,391.06/x
  3. Step 3: Cross multiply
    21,427.01x = 32,140.52 × 7,391.06
  4. Step 4: Simplify right side
    21,427.01x = 237,552,462.34
  5. Step 5: Solve for x
    x = 237,552,462.34/21,427.01
  6. Step 6: Final answer
    x = 11,086.59

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Double scale
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1.5x scale

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.