Home / 27,736.38-38,277.75-15,803.46

Finding the Fourth Proportional to 27,736.38, 38,277.75 and 15,803.46

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Solution

The fourth proportional to 27,736.38, 38,277.75 and 15,803.46 is: 21,809.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.38 : 38,277.75 = 15,803.46 : x
  2. Step 2: Convert to fraction form
    27,736.38/38,277.75 = 15,803.46/x
  3. Step 3: Cross multiply
    27,736.38x = 38,277.75 × 15,803.46
  4. Step 4: Simplify right side
    27,736.38x = 604,920,891.02
  5. Step 5: Solve for x
    x = 604,920,891.02/27,736.38
  6. Step 6: Final answer
    x = 21,809.66

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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.