Home / 21,357.36-32,042.89-10,264.85

Finding the Fourth Proportional to 21,357.36, 32,042.89 and 10,264.85

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Solution

The fourth proportional to 21,357.36, 32,042.89 and 10,264.85 is: 15,400.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,357.36 : 32,042.89 = 10,264.85 : x
  2. Step 2: Convert to fraction form
    21,357.36/32,042.89 = 10,264.85/x
  3. Step 3: Cross multiply
    21,357.36x = 32,042.89 × 10,264.85
  4. Step 4: Simplify right side
    21,357.36x = 328,915,432.19
  5. Step 5: Solve for x
    x = 328,915,432.19/21,357.36
  6. Step 6: Final answer
    x = 15,400.57

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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.