Home / 26,767.40-40,135.10-16,386.60

Finding the Fourth Proportional to 26,767.40, 40,135.10 and 16,386.60

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Solution

The fourth proportional to 26,767.40, 40,135.10 and 16,386.60 is: 24,570.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,767.40 : 40,135.10 = 16,386.60 : x
  2. Step 2: Convert to fraction form
    26,767.40/40,135.10 = 16,386.60/x
  3. Step 3: Cross multiply
    26,767.40x = 40,135.10 × 16,386.60
  4. Step 4: Simplify right side
    26,767.40x = 657,677,829.66
  5. Step 5: Solve for x
    x = 657,677,829.66/26,767.40
  6. Step 6: Final answer
    x = 24,570.11

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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.