Home / 29,370.89-40,531.19-15,942.17

Finding the Fourth Proportional to 29,370.89, 40,531.19 and 15,942.17

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Solution

The fourth proportional to 29,370.89, 40,531.19 and 15,942.17 is: 21,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,370.89 : 40,531.19 = 15,942.17 : x
  2. Step 2: Convert to fraction form
    29,370.89/40,531.19 = 15,942.17/x
  3. Step 3: Cross multiply
    29,370.89x = 40,531.19 × 15,942.17
  4. Step 4: Simplify right side
    29,370.89x = 646,155,041.57
  5. Step 5: Solve for x
    x = 646,155,041.57/29,370.89
  6. Step 6: Final answer
    x = 21,999.85

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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.