Home / 26,988.80-40,485.15-8,266.41

Finding the Fourth Proportional to 26,988.80, 40,485.15 and 8,266.41

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Solution

The fourth proportional to 26,988.80, 40,485.15 and 8,266.41 is: 12,400.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,988.80 : 40,485.15 = 8,266.41 : x
  2. Step 2: Convert to fraction form
    26,988.80/40,485.15 = 8,266.41/x
  3. Step 3: Cross multiply
    26,988.80x = 40,485.15 × 8,266.41
  4. Step 4: Simplify right side
    26,988.80x = 334,666,848.81
  5. Step 5: Solve for x
    x = 334,666,848.81/26,988.80
  6. Step 6: Final answer
    x = 12,400.21

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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.