Home / 27,733.86-38,279.39-15,800.13

Finding the Fourth Proportional to 27,733.86, 38,279.39 and 15,800.13

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Solution

The fourth proportional to 27,733.86, 38,279.39 and 15,800.13 is: 21,807.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,733.86 : 38,279.39 = 15,800.13 : x
  2. Step 2: Convert to fraction form
    27,733.86/38,279.39 = 15,800.13/x
  3. Step 3: Cross multiply
    27,733.86x = 38,279.39 × 15,800.13
  4. Step 4: Simplify right side
    27,733.86x = 604,819,259.32
  5. Step 5: Solve for x
    x = 604,819,259.32/27,733.86
  6. Step 6: Final answer
    x = 21,807.97

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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.