Home / 19,330.68-26,730.04-15,344.88

Finding the Fourth Proportional to 19,330.68, 26,730.04 and 15,344.88

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Solution

The fourth proportional to 19,330.68, 26,730.04 and 15,344.88 is: 21,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.68 : 26,730.04 = 15,344.88 : x
  2. Step 2: Convert to fraction form
    19,330.68/26,730.04 = 15,344.88/x
  3. Step 3: Cross multiply
    19,330.68x = 26,730.04 × 15,344.88
  4. Step 4: Simplify right side
    19,330.68x = 410,169,256.20
  5. Step 5: Solve for x
    x = 410,169,256.20/19,330.68
  6. Step 6: Final answer
    x = 21,218.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.