Home / 28,089.52-42,137.40-9,370.85

Finding the Fourth Proportional to 28,089.52, 42,137.40 and 9,370.85

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Solution

The fourth proportional to 28,089.52, 42,137.40 and 9,370.85 is: 14,057.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,089.52 : 42,137.40 = 9,370.85 : x
  2. Step 2: Convert to fraction form
    28,089.52/42,137.40 = 9,370.85/x
  3. Step 3: Cross multiply
    28,089.52x = 42,137.40 × 9,370.85
  4. Step 4: Simplify right side
    28,089.52x = 394,863,254.79
  5. Step 5: Solve for x
    x = 394,863,254.79/28,089.52
  6. Step 6: Final answer
    x = 14,057.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.