Home / 37,891.33-52,289.35-20,897.15

Finding the Fourth Proportional to 37,891.33, 52,289.35 and 20,897.15

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Solution

The fourth proportional to 37,891.33, 52,289.35 and 20,897.15 is: 28,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,891.33 : 52,289.35 = 20,897.15 : x
  2. Step 2: Convert to fraction form
    37,891.33/52,289.35 = 20,897.15/x
  3. Step 3: Cross multiply
    37,891.33x = 52,289.35 × 20,897.15
  4. Step 4: Simplify right side
    37,891.33x = 1,092,698,113.43
  5. Step 5: Solve for x
    x = 1,092,698,113.43/37,891.33
  6. Step 6: Final answer
    x = 28,837.68

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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.