Home / 21,264.12-32,055.39-19,836.90

Finding the Fourth Proportional to 21,264.12, 32,055.39 and 19,836.90

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Solution

The fourth proportional to 21,264.12, 32,055.39 and 19,836.90 is: 29,903.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,264.12 : 32,055.39 = 19,836.90 : x
  2. Step 2: Convert to fraction form
    21,264.12/32,055.39 = 19,836.90/x
  3. Step 3: Cross multiply
    21,264.12x = 32,055.39 × 19,836.90
  4. Step 4: Simplify right side
    21,264.12x = 635,879,565.89
  5. Step 5: Solve for x
    x = 635,879,565.89/21,264.12
  6. Step 6: Final answer
    x = 29,903.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.