Home / 23,139.66-31,932.58-12,529.26

Finding the Fourth Proportional to 23,139.66, 31,932.58 and 12,529.26

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Solution

The fourth proportional to 23,139.66, 31,932.58 and 12,529.26 is: 17,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,139.66 : 31,932.58 = 12,529.26 : x
  2. Step 2: Convert to fraction form
    23,139.66/31,932.58 = 12,529.26/x
  3. Step 3: Cross multiply
    23,139.66x = 31,932.58 × 12,529.26
  4. Step 4: Simplify right side
    23,139.66x = 400,091,597.29
  5. Step 5: Solve for x
    x = 400,091,597.29/23,139.66
  6. Step 6: Final answer
    x = 17,290.30

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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.