Home / 29,374.47-40,536.80-15,945.72

Finding the Fourth Proportional to 29,374.47, 40,536.80 and 15,945.72

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Solution

The fourth proportional to 29,374.47, 40,536.80 and 15,945.72 is: 22,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,374.47 : 40,536.80 = 15,945.72 : x
  2. Step 2: Convert to fraction form
    29,374.47/40,536.80 = 15,945.72/x
  3. Step 3: Cross multiply
    29,374.47x = 40,536.80 × 15,945.72
  4. Step 4: Simplify right side
    29,374.47x = 646,388,180.08
  5. Step 5: Solve for x
    x = 646,388,180.08/29,374.47
  6. Step 6: Final answer
    x = 22,005.10

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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.