Home / 28,770.63-39,701.96-16,023.59

Finding the Fourth Proportional to 28,770.63, 39,701.96 and 16,023.59

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Solution

The fourth proportional to 28,770.63, 39,701.96 and 16,023.59 is: 22,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,770.63 : 39,701.96 = 16,023.59 : x
  2. Step 2: Convert to fraction form
    28,770.63/39,701.96 = 16,023.59/x
  3. Step 3: Cross multiply
    28,770.63x = 39,701.96 × 16,023.59
  4. Step 4: Simplify right side
    28,770.63x = 636,167,650.61
  5. Step 5: Solve for x
    x = 636,167,650.61/28,770.63
  6. Step 6: Final answer
    x = 22,111.70

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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.