Home / 19,521.29-26,939.31-11,025.20

Finding the Fourth Proportional to 19,521.29, 26,939.31 and 11,025.20

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Solution

The fourth proportional to 19,521.29, 26,939.31 and 11,025.20 is: 15,214.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.29 : 26,939.31 = 11,025.20 : x
  2. Step 2: Convert to fraction form
    19,521.29/26,939.31 = 11,025.20/x
  3. Step 3: Cross multiply
    19,521.29x = 26,939.31 × 11,025.20
  4. Step 4: Simplify right side
    19,521.29x = 297,011,280.61
  5. Step 5: Solve for x
    x = 297,011,280.61/19,521.29
  6. Step 6: Final answer
    x = 15,214.74

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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.