Home / 26,325.93-39,509.67-12,278.70

Finding the Fourth Proportional to 26,325.93, 39,509.67 and 12,278.70

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Solution

The fourth proportional to 26,325.93, 39,509.67 and 12,278.70 is: 18,427.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,325.93 : 39,509.67 = 12,278.70 : x
  2. Step 2: Convert to fraction form
    26,325.93/39,509.67 = 12,278.70/x
  3. Step 3: Cross multiply
    26,325.93x = 39,509.67 × 12,278.70
  4. Step 4: Simplify right side
    26,325.93x = 485,127,385.03
  5. Step 5: Solve for x
    x = 485,127,385.03/26,325.93
  6. Step 6: Final answer
    x = 18,427.74

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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.