Home / 26,788.04-40,116.45-18,871.10

Finding the Fourth Proportional to 26,788.04, 40,116.45 and 18,871.10

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Solution

The fourth proportional to 26,788.04, 40,116.45 and 18,871.10 is: 28,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,788.04 : 40,116.45 = 18,871.10 : x
  2. Step 2: Convert to fraction form
    26,788.04/40,116.45 = 18,871.10/x
  3. Step 3: Cross multiply
    26,788.04x = 40,116.45 × 18,871.10
  4. Step 4: Simplify right side
    26,788.04x = 757,041,445.24
  5. Step 5: Solve for x
    x = 757,041,445.24/26,788.04
  6. Step 6: Final answer
    x = 28,260.43

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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.