Home / 26,686.80-40,031.01-9,156.38

Finding the Fourth Proportional to 26,686.80, 40,031.01 and 9,156.38

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Solution

The fourth proportional to 26,686.80, 40,031.01 and 9,156.38 is: 13,734.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,686.80 : 40,031.01 = 9,156.38 : x
  2. Step 2: Convert to fraction form
    26,686.80/40,031.01 = 9,156.38/x
  3. Step 3: Cross multiply
    26,686.80x = 40,031.01 × 9,156.38
  4. Step 4: Simplify right side
    26,686.80x = 366,538,939.19
  5. Step 5: Solve for x
    x = 366,538,939.19/26,686.80
  6. Step 6: Final answer
    x = 13,734.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.