Home / 26,812.50-37,001.28-15,636.66

Finding the Fourth Proportional to 26,812.50, 37,001.28 and 15,636.66

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Solution

The fourth proportional to 26,812.50, 37,001.28 and 15,636.66 is: 21,578.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,812.50 : 37,001.28 = 15,636.66 : x
  2. Step 2: Convert to fraction form
    26,812.50/37,001.28 = 15,636.66/x
  3. Step 3: Cross multiply
    26,812.50x = 37,001.28 × 15,636.66
  4. Step 4: Simplify right side
    26,812.50x = 578,576,434.92
  5. Step 5: Solve for x
    x = 578,576,434.92/26,812.50
  6. Step 6: Final answer
    x = 21,578.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.