Home / 26,756.04-40,120.40-8,980.58

Finding the Fourth Proportional to 26,756.04, 40,120.40 and 8,980.58

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Solution

The fourth proportional to 26,756.04, 40,120.40 and 8,980.58 is: 13,466.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,756.04 : 40,120.40 = 8,980.58 : x
  2. Step 2: Convert to fraction form
    26,756.04/40,120.40 = 8,980.58/x
  3. Step 3: Cross multiply
    26,756.04x = 40,120.40 × 8,980.58
  4. Step 4: Simplify right side
    26,756.04x = 360,304,461.83
  5. Step 5: Solve for x
    x = 360,304,461.83/26,756.04
  6. Step 6: Final answer
    x = 13,466.29

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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.