Home / 29,186.24-40,272.96-16,437.28

Finding the Fourth Proportional to 29,186.24, 40,272.96 and 16,437.28

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Solution

The fourth proportional to 29,186.24, 40,272.96 and 16,437.28 is: 22,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,186.24 : 40,272.96 = 16,437.28 : x
  2. Step 2: Convert to fraction form
    29,186.24/40,272.96 = 16,437.28/x
  3. Step 3: Cross multiply
    29,186.24x = 40,272.96 × 16,437.28
  4. Step 4: Simplify right side
    29,186.24x = 661,977,919.95
  5. Step 5: Solve for x
    x = 661,977,919.95/29,186.24
  6. Step 6: Final answer
    x = 22,681.16

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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.