Home / 28,065.74-38,693.50-23,267.57

Finding the Fourth Proportional to 28,065.74, 38,693.50 and 23,267.57

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Solution

The fourth proportional to 28,065.74, 38,693.50 and 23,267.57 is: 32,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,065.74 : 38,693.50 = 23,267.57 : x
  2. Step 2: Convert to fraction form
    28,065.74/38,693.50 = 23,267.57/x
  3. Step 3: Cross multiply
    28,065.74x = 38,693.50 × 23,267.57
  4. Step 4: Simplify right side
    28,065.74x = 900,303,468.16
  5. Step 5: Solve for x
    x = 900,303,468.16/28,065.74
  6. Step 6: Final answer
    x = 32,078.39

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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.