Home / 28,594.76-39,453.90-21,887.96

Finding the Fourth Proportional to 28,594.76, 39,453.90 and 21,887.96

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Solution

The fourth proportional to 28,594.76, 39,453.90 and 21,887.96 is: 30,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,594.76 : 39,453.90 = 21,887.96 : x
  2. Step 2: Convert to fraction form
    28,594.76/39,453.90 = 21,887.96/x
  3. Step 3: Cross multiply
    28,594.76x = 39,453.90 × 21,887.96
  4. Step 4: Simplify right side
    28,594.76x = 863,565,385.04
  5. Step 5: Solve for x
    x = 863,565,385.04/28,594.76
  6. Step 6: Final answer
    x = 30,200.13

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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.