Home / 27,188.89-37,520.73-15,866.17

Finding the Fourth Proportional to 27,188.89, 37,520.73 and 15,866.17

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Solution

The fourth proportional to 27,188.89, 37,520.73 and 15,866.17 is: 21,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,188.89 : 37,520.73 = 15,866.17 : x
  2. Step 2: Convert to fraction form
    27,188.89/37,520.73 = 15,866.17/x
  3. Step 3: Cross multiply
    27,188.89x = 37,520.73 × 15,866.17
  4. Step 4: Simplify right side
    27,188.89x = 595,310,280.70
  5. Step 5: Solve for x
    x = 595,310,280.70/27,188.89
  6. Step 6: Final answer
    x = 21,895.35

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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.