Home / 26,274.24-39,428.64-12,415.68

Finding the Fourth Proportional to 26,274.24, 39,428.64 and 12,415.68

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Solution

The fourth proportional to 26,274.24, 39,428.64 and 12,415.68 is: 18,631.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,274.24 : 39,428.64 = 12,415.68 : x
  2. Step 2: Convert to fraction form
    26,274.24/39,428.64 = 12,415.68/x
  3. Step 3: Cross multiply
    26,274.24x = 39,428.64 × 12,415.68
  4. Step 4: Simplify right side
    26,274.24x = 489,533,377.08
  5. Step 5: Solve for x
    x = 489,533,377.08/26,274.24
  6. Step 6: Final answer
    x = 18,631.69

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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.