Home / 28,213.52-38,944.76-19,254.62

Finding the Fourth Proportional to 28,213.52, 38,944.76 and 19,254.62

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Solution

The fourth proportional to 28,213.52, 38,944.76 and 19,254.62 is: 26,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,213.52 : 38,944.76 = 19,254.62 : x
  2. Step 2: Convert to fraction form
    28,213.52/38,944.76 = 19,254.62/x
  3. Step 3: Cross multiply
    28,213.52x = 38,944.76 × 19,254.62
  4. Step 4: Simplify right side
    28,213.52x = 749,866,554.79
  5. Step 5: Solve for x
    x = 749,866,554.79/28,213.52
  6. Step 6: Final answer
    x = 26,578.27

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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.