Home / 28,758.52-43,148.76-11,240.56

Finding the Fourth Proportional to 28,758.52, 43,148.76 and 11,240.56

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Solution

The fourth proportional to 28,758.52, 43,148.76 and 11,240.56 is: 16,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,758.52 : 43,148.76 = 11,240.56 : x
  2. Step 2: Convert to fraction form
    28,758.52/43,148.76 = 11,240.56/x
  3. Step 3: Cross multiply
    28,758.52x = 43,148.76 × 11,240.56
  4. Step 4: Simplify right side
    28,758.52x = 485,016,225.71
  5. Step 5: Solve for x
    x = 485,016,225.71/28,758.52
  6. Step 6: Final answer
    x = 16,865.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.