Home / 19,207.20-28,827.36-7,523.76

Finding the Fourth Proportional to 19,207.20, 28,827.36 and 7,523.76

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Solution

The fourth proportional to 19,207.20, 28,827.36 and 7,523.76 is: 11,292.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207.20 : 28,827.36 = 7,523.76 : x
  2. Step 2: Convert to fraction form
    19,207.20/28,827.36 = 7,523.76/x
  3. Step 3: Cross multiply
    19,207.20x = 28,827.36 × 7,523.76
  4. Step 4: Simplify right side
    19,207.20x = 216,890,138.07
  5. Step 5: Solve for x
    x = 216,890,138.07/19,207.20
  6. Step 6: Final answer
    x = 11,292.13

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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.