Home / 28,770.18-39,702.38-16,023.02

Finding the Fourth Proportional to 28,770.18, 39,702.38 and 16,023.02

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Solution

The fourth proportional to 28,770.18, 39,702.38 and 16,023.02 is: 22,111.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,770.18 : 39,702.38 = 16,023.02 : x
  2. Step 2: Convert to fraction form
    28,770.18/39,702.38 = 16,023.02/x
  3. Step 3: Cross multiply
    28,770.18x = 39,702.38 × 16,023.02
  4. Step 4: Simplify right side
    28,770.18x = 636,152,028.79
  5. Step 5: Solve for x
    x = 636,152,028.79/28,770.18
  6. Step 6: Final answer
    x = 22,111.51

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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.