Home / 26,891.30-40,331.55-12,851.30

Finding the Fourth Proportional to 26,891.30, 40,331.55 and 12,851.30

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Solution

The fourth proportional to 26,891.30, 40,331.55 and 12,851.30 is: 19,274.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,891.30 : 40,331.55 = 12,851.30 : x
  2. Step 2: Convert to fraction form
    26,891.30/40,331.55 = 12,851.30/x
  3. Step 3: Cross multiply
    26,891.30x = 40,331.55 × 12,851.30
  4. Step 4: Simplify right side
    26,891.30x = 518,312,848.52
  5. Step 5: Solve for x
    x = 518,312,848.52/26,891.30
  6. Step 6: Final answer
    x = 19,274.37

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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.