Home / 19,975.06-27,575.56-12,423.82

Finding the Fourth Proportional to 19,975.06, 27,575.56 and 12,423.82

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Solution

The fourth proportional to 19,975.06, 27,575.56 and 12,423.82 is: 17,151.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975.06 : 27,575.56 = 12,423.82 : x
  2. Step 2: Convert to fraction form
    19,975.06/27,575.56 = 12,423.82/x
  3. Step 3: Cross multiply
    19,975.06x = 27,575.56 × 12,423.82
  4. Step 4: Simplify right side
    19,975.06x = 342,593,793.84
  5. Step 5: Solve for x
    x = 342,593,793.84/19,975.06
  6. Step 6: Final answer
    x = 17,151.08

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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.