Home / 19,425.28-26,908.42-19,031.62

Finding the Fourth Proportional to 19,425.28, 26,908.42 and 19,031.62

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Solution

The fourth proportional to 19,425.28, 26,908.42 and 19,031.62 is: 26,363.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.28 : 26,908.42 = 19,031.62 : x
  2. Step 2: Convert to fraction form
    19,425.28/26,908.42 = 19,031.62/x
  3. Step 3: Cross multiply
    19,425.28x = 26,908.42 × 19,031.62
  4. Step 4: Simplify right side
    19,425.28x = 512,110,729.08
  5. Step 5: Solve for x
    x = 512,110,729.08/19,425.28
  6. Step 6: Final answer
    x = 26,363.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.