Home / 19,326.68-26,724.51-15,340.88

Finding the Fourth Proportional to 19,326.68, 26,724.51 and 15,340.88

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Solution

The fourth proportional to 19,326.68, 26,724.51 and 15,340.88 is: 21,213.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.68 : 26,724.51 = 15,340.88 : x
  2. Step 2: Convert to fraction form
    19,326.68/26,724.51 = 15,340.88/x
  3. Step 3: Cross multiply
    19,326.68x = 26,724.51 × 15,340.88
  4. Step 4: Simplify right side
    19,326.68x = 409,977,290.64
  5. Step 5: Solve for x
    x = 409,977,290.64/19,326.68
  6. Step 6: Final answer
    x = 21,213.02

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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.