Home / 21,445.92-29,437.56-19,035.36

Finding the Fourth Proportional to 21,445.92, 29,437.56 and 19,035.36

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Solution

The fourth proportional to 21,445.92, 29,437.56 and 19,035.36 is: 26,128.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445.92 : 29,437.56 = 19,035.36 : x
  2. Step 2: Convert to fraction form
    21,445.92/29,437.56 = 19,035.36/x
  3. Step 3: Cross multiply
    21,445.92x = 29,437.56 × 19,035.36
  4. Step 4: Simplify right side
    21,445.92x = 560,354,552.12
  5. Step 5: Solve for x
    x = 560,354,552.12/21,445.92
  6. Step 6: Final answer
    x = 26,128.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.