Home / 52,778.32-72,834.08-28,904.96

Finding the Fourth Proportional to 52,778.32, 72,834.08 and 28,904.96

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Solution

The fourth proportional to 52,778.32, 72,834.08 and 28,904.96 is: 39,888.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,778.32 : 72,834.08 = 28,904.96 : x
  2. Step 2: Convert to fraction form
    52,778.32/72,834.08 = 28,904.96/x
  3. Step 3: Cross multiply
    52,778.32x = 72,834.08 × 28,904.96
  4. Step 4: Simplify right side
    52,778.32x = 2,105,266,169.04
  5. Step 5: Solve for x
    x = 2,105,266,169.04/52,778.32
  6. Step 6: Final answer
    x = 39,888.84

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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.