Home / 20,703.24-31,069.90-15,523.08

Finding the Fourth Proportional to 20,703.24, 31,069.90 and 15,523.08

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Solution

The fourth proportional to 20,703.24, 31,069.90 and 15,523.08 is: 23,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,703.24 : 31,069.90 = 15,523.08 : x
  2. Step 2: Convert to fraction form
    20,703.24/31,069.90 = 15,523.08/x
  3. Step 3: Cross multiply
    20,703.24x = 31,069.90 × 15,523.08
  4. Step 4: Simplify right side
    20,703.24x = 482,300,543.29
  5. Step 5: Solve for x
    x = 482,300,543.29/20,703.24
  6. Step 6: Final answer
    x = 23,295.90

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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.