Home / 37,890.86-52,288.37-20,894.81

Finding the Fourth Proportional to 37,890.86, 52,288.37 and 20,894.81

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Solution

The fourth proportional to 37,890.86, 52,288.37 and 20,894.81 is: 28,834.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,890.86 : 52,288.37 = 20,894.81 : x
  2. Step 2: Convert to fraction form
    37,890.86/52,288.37 = 20,894.81/x
  3. Step 3: Cross multiply
    37,890.86x = 52,288.37 × 20,894.81
  4. Step 4: Simplify right side
    37,890.86x = 1,092,555,268.80
  5. Step 5: Solve for x
    x = 1,092,555,268.80/37,890.86
  6. Step 6: Final answer
    x = 28,834.27

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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.