Home / 19,253.22-28,888.92-13,339.20

Finding the Fourth Proportional to 19,253.22, 28,888.92 and 13,339.20

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Solution

The fourth proportional to 19,253.22, 28,888.92 and 13,339.20 is: 20,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253.22 : 28,888.92 = 13,339.20 : x
  2. Step 2: Convert to fraction form
    19,253.22/28,888.92 = 13,339.20/x
  3. Step 3: Cross multiply
    19,253.22x = 28,888.92 × 13,339.20
  4. Step 4: Simplify right side
    19,253.22x = 385,355,081.66
  5. Step 5: Solve for x
    x = 385,355,081.66/19,253.22
  6. Step 6: Final answer
    x = 20,015.10

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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.