Home / 31,628.80-43,647.12-17,482.24

Finding the Fourth Proportional to 31,628.80, 43,647.12 and 17,482.24

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Solution

The fourth proportional to 31,628.80, 43,647.12 and 17,482.24 is: 24,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,628.80 : 43,647.12 = 17,482.24 : x
  2. Step 2: Convert to fraction form
    31,628.80/43,647.12 = 17,482.24/x
  3. Step 3: Cross multiply
    31,628.80x = 43,647.12 × 17,482.24
  4. Step 4: Simplify right side
    31,628.80x = 763,049,427.15
  5. Step 5: Solve for x
    x = 763,049,427.15/31,628.80
  6. Step 6: Final answer
    x = 24,125.15

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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.