Home / 28,777.86-39,708.18-16,030.73

Finding the Fourth Proportional to 28,777.86, 39,708.18 and 16,030.73

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Solution

The fourth proportional to 28,777.86, 39,708.18 and 16,030.73 is: 22,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777.86 : 39,708.18 = 16,030.73 : x
  2. Step 2: Convert to fraction form
    28,777.86/39,708.18 = 16,030.73/x
  3. Step 3: Cross multiply
    28,777.86x = 39,708.18 × 16,030.73
  4. Step 4: Simplify right side
    28,777.86x = 636,551,112.37
  5. Step 5: Solve for x
    x = 636,551,112.37/28,777.86
  6. Step 6: Final answer
    x = 22,119.47

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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.