Home / 27,435.84-37,861.62-15,500.28

Finding the Fourth Proportional to 27,435.84, 37,861.62 and 15,500.28

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Solution

The fourth proportional to 27,435.84, 37,861.62 and 15,500.28 is: 21,390.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,435.84 : 37,861.62 = 15,500.28 : x
  2. Step 2: Convert to fraction form
    27,435.84/37,861.62 = 15,500.28/x
  3. Step 3: Cross multiply
    27,435.84x = 37,861.62 × 15,500.28
  4. Step 4: Simplify right side
    27,435.84x = 586,865,711.25
  5. Step 5: Solve for x
    x = 586,865,711.25/27,435.84
  6. Step 6: Final answer
    x = 21,390.48

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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.