Home / 27,798.56-38,360.76-15,223.04

Finding the Fourth Proportional to 27,798.56, 38,360.76 and 15,223.04

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Solution

The fourth proportional to 27,798.56, 38,360.76 and 15,223.04 is: 21,007.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,798.56 : 38,360.76 = 15,223.04 : x
  2. Step 2: Convert to fraction form
    27,798.56/38,360.76 = 15,223.04/x
  3. Step 3: Cross multiply
    27,798.56x = 38,360.76 × 15,223.04
  4. Step 4: Simplify right side
    27,798.56x = 583,967,383.91
  5. Step 5: Solve for x
    x = 583,967,383.91/27,798.56
  6. Step 6: Final answer
    x = 21,007.11

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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.