Home / 29,420.34-40,600.26-15,991.71

Finding the Fourth Proportional to 29,420.34, 40,600.26 and 15,991.71

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Solution

The fourth proportional to 29,420.34, 40,600.26 and 15,991.71 is: 22,068.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,420.34 : 40,600.26 = 15,991.71 : x
  2. Step 2: Convert to fraction form
    29,420.34/40,600.26 = 15,991.71/x
  3. Step 3: Cross multiply
    29,420.34x = 40,600.26 × 15,991.71
  4. Step 4: Simplify right side
    29,420.34x = 649,267,583.84
  5. Step 5: Solve for x
    x = 649,267,583.84/29,420.34
  6. Step 6: Final answer
    x = 22,068.66

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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.