Home / 26,212.78-39,280.28-19,253.26

Finding the Fourth Proportional to 26,212.78, 39,280.28 and 19,253.26

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Solution

The fourth proportional to 26,212.78, 39,280.28 and 19,253.26 is: 28,851.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,212.78 : 39,280.28 = 19,253.26 : x
  2. Step 2: Convert to fraction form
    26,212.78/39,280.28 = 19,253.26/x
  3. Step 3: Cross multiply
    26,212.78x = 39,280.28 × 19,253.26
  4. Step 4: Simplify right side
    26,212.78x = 756,273,468.75
  5. Step 5: Solve for x
    x = 756,273,468.75/26,212.78
  6. Step 6: Final answer
    x = 28,851.32

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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.