Home / 28,415.16-42,626.40-15,249.48

Finding the Fourth Proportional to 28,415.16, 42,626.40 and 15,249.48

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Solution

The fourth proportional to 28,415.16, 42,626.40 and 15,249.48 is: 22,876.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,415.16 : 42,626.40 = 15,249.48 : x
  2. Step 2: Convert to fraction form
    28,415.16/42,626.40 = 15,249.48/x
  3. Step 3: Cross multiply
    28,415.16x = 42,626.40 × 15,249.48
  4. Step 4: Simplify right side
    28,415.16x = 650,030,434.27
  5. Step 5: Solve for x
    x = 650,030,434.27/28,415.16
  6. Step 6: Final answer
    x = 22,876.18

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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.