Home / 38,160.09-52,660.64-20,932.86

Finding the Fourth Proportional to 38,160.09, 52,660.64 and 20,932.86

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Solution

The fourth proportional to 38,160.09, 52,660.64 and 20,932.86 is: 28,887.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,160.09 : 52,660.64 = 20,932.86 : x
  2. Step 2: Convert to fraction form
    38,160.09/52,660.64 = 20,932.86/x
  3. Step 3: Cross multiply
    38,160.09x = 52,660.64 × 20,932.86
  4. Step 4: Simplify right side
    38,160.09x = 1,102,337,804.63
  5. Step 5: Solve for x
    x = 1,102,337,804.63/38,160.09
  6. Step 6: Final answer
    x = 28,887.19

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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.