Home / 21,938.86-32,908.29-10,260.28

Finding the Fourth Proportional to 21,938.86, 32,908.29 and 10,260.28

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Solution

The fourth proportional to 21,938.86, 32,908.29 and 10,260.28 is: 15,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,938.86 : 32,908.29 = 10,260.28 : x
  2. Step 2: Convert to fraction form
    21,938.86/32,908.29 = 10,260.28/x
  3. Step 3: Cross multiply
    21,938.86x = 32,908.29 × 10,260.28
  4. Step 4: Simplify right side
    21,938.86x = 337,648,269.72
  5. Step 5: Solve for x
    x = 337,648,269.72/21,938.86
  6. Step 6: Final answer
    x = 15,390.42

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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.