Home / 29,271.26-40,394.41-15,842.63

Finding the Fourth Proportional to 29,271.26, 40,394.41 and 15,842.63

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Solution

The fourth proportional to 29,271.26, 40,394.41 and 15,842.63 is: 21,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,271.26 : 40,394.41 = 15,842.63 : x
  2. Step 2: Convert to fraction form
    29,271.26/40,394.41 = 15,842.63/x
  3. Step 3: Cross multiply
    29,271.26x = 40,394.41 × 15,842.63
  4. Step 4: Simplify right side
    29,271.26x = 639,953,753.08
  5. Step 5: Solve for x
    x = 639,953,753.08/29,271.26
  6. Step 6: Final answer
    x = 21,862.87

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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.