Home / 28,117.40-42,193.62-10,584.92

Finding the Fourth Proportional to 28,117.40, 42,193.62 and 10,584.92

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Solution

The fourth proportional to 28,117.40, 42,193.62 and 10,584.92 is: 15,883.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,117.40 : 42,193.62 = 10,584.92 : x
  2. Step 2: Convert to fraction form
    28,117.40/42,193.62 = 10,584.92/x
  3. Step 3: Cross multiply
    28,117.40x = 42,193.62 × 10,584.92
  4. Step 4: Simplify right side
    28,117.40x = 446,616,092.21
  5. Step 5: Solve for x
    x = 446,616,092.21/28,117.40
  6. Step 6: Final answer
    x = 15,883.98

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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.