Home / 26,947.40-40,421.10-17,616.20

Finding the Fourth Proportional to 26,947.40, 40,421.10 and 17,616.20

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Solution

The fourth proportional to 26,947.40, 40,421.10 and 17,616.20 is: 26,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,947.40 : 40,421.10 = 17,616.20 : x
  2. Step 2: Convert to fraction form
    26,947.40/40,421.10 = 17,616.20/x
  3. Step 3: Cross multiply
    26,947.40x = 40,421.10 × 17,616.20
  4. Step 4: Simplify right side
    26,947.40x = 712,066,181.82
  5. Step 5: Solve for x
    x = 712,066,181.82/26,947.40
  6. Step 6: Final answer
    x = 26,424.30

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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.