Home / 27,800.68-38,365.32-15,225.52

Finding the Fourth Proportional to 27,800.68, 38,365.32 and 15,225.52

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Solution

The fourth proportional to 27,800.68, 38,365.32 and 15,225.52 is: 21,011.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,800.68 : 38,365.32 = 15,225.52 : x
  2. Step 2: Convert to fraction form
    27,800.68/38,365.32 = 15,225.52/x
  3. Step 3: Cross multiply
    27,800.68x = 38,365.32 × 15,225.52
  4. Step 4: Simplify right side
    27,800.68x = 584,131,946.97
  5. Step 5: Solve for x
    x = 584,131,946.97/27,800.68
  6. Step 6: Final answer
    x = 21,011.43

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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.