Home / 26,568.78-39,877.82-13,430.39

Finding the Fourth Proportional to 26,568.78, 39,877.82 and 13,430.39

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Solution

The fourth proportional to 26,568.78, 39,877.82 and 13,430.39 is: 20,158.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,568.78 : 39,877.82 = 13,430.39 : x
  2. Step 2: Convert to fraction form
    26,568.78/39,877.82 = 13,430.39/x
  3. Step 3: Cross multiply
    26,568.78x = 39,877.82 × 13,430.39
  4. Step 4: Simplify right side
    26,568.78x = 535,574,408.41
  5. Step 5: Solve for x
    x = 535,574,408.41/26,568.78
  6. Step 6: Final answer
    x = 20,158.04

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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.