Home / 22,320.19-30,795.63-15,948.73

Finding the Fourth Proportional to 22,320.19, 30,795.63 and 15,948.73

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Solution

The fourth proportional to 22,320.19, 30,795.63 and 15,948.73 is: 22,004.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.19 : 30,795.63 = 15,948.73 : x
  2. Step 2: Convert to fraction form
    22,320.19/30,795.63 = 15,948.73/x
  3. Step 3: Cross multiply
    22,320.19x = 30,795.63 × 15,948.73
  4. Step 4: Simplify right side
    22,320.19x = 491,151,188.05
  5. Step 5: Solve for x
    x = 491,151,188.05/22,320.19
  6. Step 6: Final answer
    x = 22,004.79

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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.