Home / 26,298.40-39,447.60-12,474.40

Finding the Fourth Proportional to 26,298.40, 39,447.60 and 12,474.40

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Solution

The fourth proportional to 26,298.40, 39,447.60 and 12,474.40 is: 18,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,298.40 : 39,447.60 = 12,474.40 : x
  2. Step 2: Convert to fraction form
    26,298.40/39,447.60 = 12,474.40/x
  3. Step 3: Cross multiply
    26,298.40x = 39,447.60 × 12,474.40
  4. Step 4: Simplify right side
    26,298.40x = 492,085,141.44
  5. Step 5: Solve for x
    x = 492,085,141.44/26,298.40
  6. Step 6: Final answer
    x = 18,711.60

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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.