Home / 26,001.60-39,007.68-12,838.56

Finding the Fourth Proportional to 26,001.60, 39,007.68 and 12,838.56

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Solution

The fourth proportional to 26,001.60, 39,007.68 and 12,838.56 is: 19,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,001.60 : 39,007.68 = 12,838.56 : x
  2. Step 2: Convert to fraction form
    26,001.60/39,007.68 = 12,838.56/x
  3. Step 3: Cross multiply
    26,001.60x = 39,007.68 × 12,838.56
  4. Step 4: Simplify right side
    26,001.60x = 500,802,440.14
  5. Step 5: Solve for x
    x = 500,802,440.14/26,001.60
  6. Step 6: Final answer
    x = 19,260.45

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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.