Home / 26,118.32-39,180.27-8,342.77

Finding the Fourth Proportional to 26,118.32, 39,180.27 and 8,342.77

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Solution

The fourth proportional to 26,118.32, 39,180.27 and 8,342.77 is: 12,515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,118.32 : 39,180.27 = 8,342.77 : x
  2. Step 2: Convert to fraction form
    26,118.32/39,180.27 = 8,342.77/x
  3. Step 3: Cross multiply
    26,118.32x = 39,180.27 × 8,342.77
  4. Step 4: Simplify right side
    26,118.32x = 326,871,981.15
  5. Step 5: Solve for x
    x = 326,871,981.15/26,118.32
  6. Step 6: Final answer
    x = 12,515.05

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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.