Home / 26,255.18-39,378.06-8,485.12

Finding the Fourth Proportional to 26,255.18, 39,378.06 and 8,485.12

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Solution

The fourth proportional to 26,255.18, 39,378.06 and 8,485.12 is: 12,726.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,255.18 : 39,378.06 = 8,485.12 : x
  2. Step 2: Convert to fraction form
    26,255.18/39,378.06 = 8,485.12/x
  3. Step 3: Cross multiply
    26,255.18x = 39,378.06 × 8,485.12
  4. Step 4: Simplify right side
    26,255.18x = 334,127,466.02
  5. Step 5: Solve for x
    x = 334,127,466.02/26,255.18
  6. Step 6: Final answer
    x = 12,726.16

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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.