Home / 26,213.78-39,281.78-19,254.26

Finding the Fourth Proportional to 26,213.78, 39,281.78 and 19,254.26

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Solution

The fourth proportional to 26,213.78, 39,281.78 and 19,254.26 is: 28,852.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,213.78 : 39,281.78 = 19,254.26 : x
  2. Step 2: Convert to fraction form
    26,213.78/39,281.78 = 19,254.26/x
  3. Step 3: Cross multiply
    26,213.78x = 39,281.78 × 19,254.26
  4. Step 4: Simplify right side
    26,213.78x = 756,341,605.38
  5. Step 5: Solve for x
    x = 756,341,605.38/26,213.78
  6. Step 6: Final answer
    x = 28,852.82

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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.