Home / 29,378.67-40,541.15-15,949.77

Finding the Fourth Proportional to 29,378.67, 40,541.15 and 15,949.77

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Solution

The fourth proportional to 29,378.67, 40,541.15 and 15,949.77 is: 22,009.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,378.67 : 40,541.15 = 15,949.77 : x
  2. Step 2: Convert to fraction form
    29,378.67/40,541.15 = 15,949.77/x
  3. Step 3: Cross multiply
    29,378.67x = 40,541.15 × 15,949.77
  4. Step 4: Simplify right side
    29,378.67x = 646,621,938.29
  5. Step 5: Solve for x
    x = 646,621,938.29/29,378.67
  6. Step 6: Final answer
    x = 22,009.91

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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.