Home / 26,077.80-39,116.70-8,549.40

Finding the Fourth Proportional to 26,077.80, 39,116.70 and 8,549.40

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Solution

The fourth proportional to 26,077.80, 39,116.70 and 8,549.40 is: 12,824.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,077.80 : 39,116.70 = 8,549.40 : x
  2. Step 2: Convert to fraction form
    26,077.80/39,116.70 = 8,549.40/x
  3. Step 3: Cross multiply
    26,077.80x = 39,116.70 × 8,549.40
  4. Step 4: Simplify right side
    26,077.80x = 334,424,314.98
  5. Step 5: Solve for x
    x = 334,424,314.98/26,077.80
  6. Step 6: Final answer
    x = 12,824.10

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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.