Home / 19,214.20-28,772.70-15,326.20

Finding the Fourth Proportional to 19,214.20, 28,772.70 and 15,326.20

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Solution

The fourth proportional to 19,214.20, 28,772.70 and 15,326.20 is: 22,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.20 : 28,772.70 = 15,326.20 : x
  2. Step 2: Convert to fraction form
    19,214.20/28,772.70 = 15,326.20/x
  3. Step 3: Cross multiply
    19,214.20x = 28,772.70 × 15,326.20
  4. Step 4: Simplify right side
    19,214.20x = 440,976,154.74
  5. Step 5: Solve for x
    x = 440,976,154.74/19,214.20
  6. Step 6: Final answer
    x = 22,950.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.