Home / 19,924.60-29,822.10-15,518.20

Finding the Fourth Proportional to 19,924.60, 29,822.10 and 15,518.20

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Solution

The fourth proportional to 19,924.60, 29,822.10 and 15,518.20 is: 23,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,924.60 : 29,822.10 = 15,518.20 : x
  2. Step 2: Convert to fraction form
    19,924.60/29,822.10 = 15,518.20/x
  3. Step 3: Cross multiply
    19,924.60x = 29,822.10 × 15,518.20
  4. Step 4: Simplify right side
    19,924.60x = 462,785,312.22
  5. Step 5: Solve for x
    x = 462,785,312.22/19,924.60
  6. Step 6: Final answer
    x = 23,226.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.