Home / 27,809.65-38,377.34-15,062.86

Finding the Fourth Proportional to 27,809.65, 38,377.34 and 15,062.86

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Solution

The fourth proportional to 27,809.65, 38,377.34 and 15,062.86 is: 20,786.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,809.65 : 38,377.34 = 15,062.86 : x
  2. Step 2: Convert to fraction form
    27,809.65/38,377.34 = 15,062.86/x
  3. Step 3: Cross multiply
    27,809.65x = 38,377.34 × 15,062.86
  4. Step 4: Simplify right side
    27,809.65x = 578,072,424.28
  5. Step 5: Solve for x
    x = 578,072,424.28/27,809.65
  6. Step 6: Final answer
    x = 20,786.76

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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.