Home / 29,388.68-40,555.68-15,959.36

Finding the Fourth Proportional to 29,388.68, 40,555.68 and 15,959.36

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Solution

The fourth proportional to 29,388.68, 40,555.68 and 15,959.36 is: 22,023.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,388.68 : 40,555.68 = 15,959.36 : x
  2. Step 2: Convert to fraction form
    29,388.68/40,555.68 = 15,959.36/x
  3. Step 3: Cross multiply
    29,388.68x = 40,555.68 × 15,959.36
  4. Step 4: Simplify right side
    29,388.68x = 647,242,697.16
  5. Step 5: Solve for x
    x = 647,242,697.16/29,388.68
  6. Step 6: Final answer
    x = 22,023.54

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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.