Home / 28,763.68-39,695.16-16,189.24

Finding the Fourth Proportional to 28,763.68, 39,695.16 and 16,189.24

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Solution

The fourth proportional to 28,763.68, 39,695.16 and 16,189.24 is: 22,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.68 : 39,695.16 = 16,189.24 : x
  2. Step 2: Convert to fraction form
    28,763.68/39,695.16 = 16,189.24/x
  3. Step 3: Cross multiply
    28,763.68x = 39,695.16 × 16,189.24
  4. Step 4: Simplify right side
    28,763.68x = 642,634,472.08
  5. Step 5: Solve for x
    x = 642,634,472.08/28,763.68
  6. Step 6: Final answer
    x = 22,341.87

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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.