Home / 28,870.92-39,832.80-16,934.76

Finding the Fourth Proportional to 28,870.92, 39,832.80 and 16,934.76

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Solution

The fourth proportional to 28,870.92, 39,832.80 and 16,934.76 is: 23,364.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,870.92 : 39,832.80 = 16,934.76 : x
  2. Step 2: Convert to fraction form
    28,870.92/39,832.80 = 16,934.76/x
  3. Step 3: Cross multiply
    28,870.92x = 39,832.80 × 16,934.76
  4. Step 4: Simplify right side
    28,870.92x = 674,558,908.13
  5. Step 5: Solve for x
    x = 674,558,908.13/28,870.92
  6. Step 6: Final answer
    x = 23,364.65

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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.