Home / 28,074.66-38,738.62-16,135.76

Finding the Fourth Proportional to 28,074.66, 38,738.62 and 16,135.76

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Solution

The fourth proportional to 28,074.66, 38,738.62 and 16,135.76 is: 22,264.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,074.66 : 38,738.62 = 16,135.76 : x
  2. Step 2: Convert to fraction form
    28,074.66/38,738.62 = 16,135.76/x
  3. Step 3: Cross multiply
    28,074.66x = 38,738.62 × 16,135.76
  4. Step 4: Simplify right side
    28,074.66x = 625,077,192.07
  5. Step 5: Solve for x
    x = 625,077,192.07/28,074.66
  6. Step 6: Final answer
    x = 22,264.82

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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.