Home / 37,891.89-52,291.15-20,896.79

Finding the Fourth Proportional to 37,891.89, 52,291.15 and 20,896.79

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Solution

The fourth proportional to 37,891.89, 52,291.15 and 20,896.79 is: 28,837.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,891.89 : 52,291.15 = 20,896.79 : x
  2. Step 2: Convert to fraction form
    37,891.89/52,291.15 = 20,896.79/x
  3. Step 3: Cross multiply
    37,891.89x = 52,291.15 × 20,896.79
  4. Step 4: Simplify right side
    37,891.89x = 1,092,716,866.71
  5. Step 5: Solve for x
    x = 1,092,716,866.71/37,891.89
  6. Step 6: Final answer
    x = 28,837.75

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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.