Home / 28,349.74-42,525.27-13,560.22

Finding the Fourth Proportional to 28,349.74, 42,525.27 and 13,560.22

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Solution

The fourth proportional to 28,349.74, 42,525.27 and 13,560.22 is: 20,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,349.74 : 42,525.27 = 13,560.22 : x
  2. Step 2: Convert to fraction form
    28,349.74/42,525.27 = 13,560.22/x
  3. Step 3: Cross multiply
    28,349.74x = 42,525.27 × 13,560.22
  4. Step 4: Simplify right side
    28,349.74x = 576,652,016.76
  5. Step 5: Solve for x
    x = 576,652,016.76/28,349.74
  6. Step 6: Final answer
    x = 20,340.65

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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.