Home / 20,498.24-28,293.12-19,259.20

Finding the Fourth Proportional to 20,498.24, 28,293.12 and 19,259.20

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Solution

The fourth proportional to 20,498.24, 28,293.12 and 19,259.20 is: 26,582.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,498.24 : 28,293.12 = 19,259.20 : x
  2. Step 2: Convert to fraction form
    20,498.24/28,293.12 = 19,259.20/x
  3. Step 3: Cross multiply
    20,498.24x = 28,293.12 × 19,259.20
  4. Step 4: Simplify right side
    20,498.24x = 544,902,856.70
  5. Step 5: Solve for x
    x = 544,902,856.70/20,498.24
  6. Step 6: Final answer
    x = 26,582.91

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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.