Home / 26,517.56-39,782.81-8,987.54

Finding the Fourth Proportional to 26,517.56, 39,782.81 and 8,987.54

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Solution

The fourth proportional to 26,517.56, 39,782.81 and 8,987.54 is: 13,483.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,517.56 : 39,782.81 = 8,987.54 : x
  2. Step 2: Convert to fraction form
    26,517.56/39,782.81 = 8,987.54/x
  3. Step 3: Cross multiply
    26,517.56x = 39,782.81 × 8,987.54
  4. Step 4: Simplify right side
    26,517.56x = 357,549,419.74
  5. Step 5: Solve for x
    x = 357,549,419.74/26,517.56
  6. Step 6: Final answer
    x = 13,483.50

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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.