Home / 27,768.50-38,320.56-15,193.52

Finding the Fourth Proportional to 27,768.50, 38,320.56 and 15,193.52

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Solution

The fourth proportional to 27,768.50, 38,320.56 and 15,193.52 is: 20,967.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,768.50 : 38,320.56 = 15,193.52 : x
  2. Step 2: Convert to fraction form
    27,768.50/38,320.56 = 15,193.52/x
  3. Step 3: Cross multiply
    27,768.50x = 38,320.56 × 15,193.52
  4. Step 4: Simplify right side
    27,768.50x = 582,224,194.77
  5. Step 5: Solve for x
    x = 582,224,194.77/27,768.50
  6. Step 6: Final answer
    x = 20,967.07

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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.