Home / 28,209.52-38,939.23-19,250.61

Finding the Fourth Proportional to 28,209.52, 38,939.23 and 19,250.61

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Solution

The fourth proportional to 28,209.52, 38,939.23 and 19,250.61 is: 26,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,209.52 : 38,939.23 = 19,250.61 : x
  2. Step 2: Convert to fraction form
    28,209.52/38,939.23 = 19,250.61/x
  3. Step 3: Cross multiply
    28,209.52x = 38,939.23 × 19,250.61
  4. Step 4: Simplify right side
    28,209.52x = 749,604,027.50
  5. Step 5: Solve for x
    x = 749,604,027.50/28,209.52
  6. Step 6: Final answer
    x = 26,572.74

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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.