Home / 29,271.38-40,390.18-17,167.28

Finding the Fourth Proportional to 29,271.38, 40,390.18 and 17,167.28

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Solution

The fourth proportional to 29,271.38, 40,390.18 and 17,167.28 is: 23,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,271.38 : 40,390.18 = 17,167.28 : x
  2. Step 2: Convert to fraction form
    29,271.38/40,390.18 = 17,167.28/x
  3. Step 3: Cross multiply
    29,271.38x = 40,390.18 × 17,167.28
  4. Step 4: Simplify right side
    29,271.38x = 693,389,587.37
  5. Step 5: Solve for x
    x = 693,389,587.37/29,271.38
  6. Step 6: Final answer
    x = 23,688.31

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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.