Home / 28,267.20-42,415.56-13,473.36

Finding the Fourth Proportional to 28,267.20, 42,415.56 and 13,473.36

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Solution

The fourth proportional to 28,267.20, 42,415.56 and 13,473.36 is: 20,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267.20 : 42,415.56 = 13,473.36 : x
  2. Step 2: Convert to fraction form
    28,267.20/42,415.56 = 13,473.36/x
  3. Step 3: Cross multiply
    28,267.20x = 42,415.56 × 13,473.36
  4. Step 4: Simplify right side
    28,267.20x = 571,480,109.48
  5. Step 5: Solve for x
    x = 571,480,109.48/28,267.20
  6. Step 6: Final answer
    x = 20,217.08

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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.