Home / 25,686.45-35,426.70-16,117.65

Finding the Fourth Proportional to 25,686.45, 35,426.70 and 16,117.65

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Solution

The fourth proportional to 25,686.45, 35,426.70 and 16,117.65 is: 22,229.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,686.45 : 35,426.70 = 16,117.65 : x
  2. Step 2: Convert to fraction form
    25,686.45/35,426.70 = 16,117.65/x
  3. Step 3: Cross multiply
    25,686.45x = 35,426.70 × 16,117.65
  4. Step 4: Simplify right side
    25,686.45x = 570,995,151.26
  5. Step 5: Solve for x
    x = 570,995,151.26/25,686.45
  6. Step 6: Final answer
    x = 22,229.43

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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.