Home / 26,110.68-39,152.85-12,784.74

Finding the Fourth Proportional to 26,110.68, 39,152.85 and 12,784.74

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Solution

The fourth proportional to 26,110.68, 39,152.85 and 12,784.74 is: 19,170.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,110.68 : 39,152.85 = 12,784.74 : x
  2. Step 2: Convert to fraction form
    26,110.68/39,152.85 = 12,784.74/x
  3. Step 3: Cross multiply
    26,110.68x = 39,152.85 × 12,784.74
  4. Step 4: Simplify right side
    26,110.68x = 500,559,007.51
  5. Step 5: Solve for x
    x = 500,559,007.51/26,110.68
  6. Step 6: Final answer
    x = 19,170.66

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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.