Home / 28,401.18-42,601.84-28,360.20

Finding the Fourth Proportional to 28,401.18, 42,601.84 and 28,360.20

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Solution

The fourth proportional to 28,401.18, 42,601.84 and 28,360.20 is: 42,540.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,401.18 : 42,601.84 = 28,360.20 : x
  2. Step 2: Convert to fraction form
    28,401.18/42,601.84 = 28,360.20/x
  3. Step 3: Cross multiply
    28,401.18x = 42,601.84 × 28,360.20
  4. Step 4: Simplify right side
    28,401.18x = 1,208,196,702.77
  5. Step 5: Solve for x
    x = 1,208,196,702.77/28,401.18
  6. Step 6: Final answer
    x = 42,540.37

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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.