Home / 19,207.32-28,793.88-7,528.68

Finding the Fourth Proportional to 19,207.32, 28,793.88 and 7,528.68

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Solution

The fourth proportional to 19,207.32, 28,793.88 and 7,528.68 is: 11,286.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207.32 : 28,793.88 = 7,528.68 : x
  2. Step 2: Convert to fraction form
    19,207.32/28,793.88 = 7,528.68/x
  3. Step 3: Cross multiply
    19,207.32x = 28,793.88 × 7,528.68
  4. Step 4: Simplify right side
    19,207.32x = 216,779,908.48
  5. Step 5: Solve for x
    x = 216,779,908.48/19,207.32
  6. Step 6: Final answer
    x = 11,286.32

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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.