Home / 19,031.20-28,547.92-7,344.48

Finding the Fourth Proportional to 19,031.20, 28,547.92 and 7,344.48

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Solution

The fourth proportional to 19,031.20, 28,547.92 and 7,344.48 is: 11,017.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.20 : 28,547.92 = 7,344.48 : x
  2. Step 2: Convert to fraction form
    19,031.20/28,547.92 = 7,344.48/x
  3. Step 3: Cross multiply
    19,031.20x = 28,547.92 × 7,344.48
  4. Step 4: Simplify right side
    19,031.20x = 209,669,627.48
  5. Step 5: Solve for x
    x = 209,669,627.48/19,031.20
  6. Step 6: Final answer
    x = 11,017.15

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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.