Home / 28,401.16-42,814.39-26,498.20

Finding the Fourth Proportional to 28,401.16, 42,814.39 and 26,498.20

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Solution

The fourth proportional to 28,401.16, 42,814.39 and 26,498.20 is: 39,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,401.16 : 42,814.39 = 26,498.20 : x
  2. Step 2: Convert to fraction form
    28,401.16/42,814.39 = 26,498.20/x
  3. Step 3: Cross multiply
    28,401.16x = 42,814.39 × 26,498.20
  4. Step 4: Simplify right side
    28,401.16x = 1,134,504,269.10
  5. Step 5: Solve for x
    x = 1,134,504,269.10/28,401.16
  6. Step 6: Final answer
    x = 39,945.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.