Home / 26,455.74-39,685.88-8,681.05

Finding the Fourth Proportional to 26,455.74, 39,685.88 and 8,681.05

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Solution

The fourth proportional to 26,455.74, 39,685.88 and 8,681.05 is: 13,022.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,455.74 : 39,685.88 = 8,681.05 : x
  2. Step 2: Convert to fraction form
    26,455.74/39,685.88 = 8,681.05/x
  3. Step 3: Cross multiply
    26,455.74x = 39,685.88 × 8,681.05
  4. Step 4: Simplify right side
    26,455.74x = 344,515,108.57
  5. Step 5: Solve for x
    x = 344,515,108.57/26,455.74
  6. Step 6: Final answer
    x = 13,022.32

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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.