Home / 27,216.08-37,560.36-15,280.20

Finding the Fourth Proportional to 27,216.08, 37,560.36 and 15,280.20

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Solution

The fourth proportional to 27,216.08, 37,560.36 and 15,280.20 is: 21,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216.08 : 37,560.36 = 15,280.20 : x
  2. Step 2: Convert to fraction form
    27,216.08/37,560.36 = 15,280.20/x
  3. Step 3: Cross multiply
    27,216.08x = 37,560.36 × 15,280.20
  4. Step 4: Simplify right side
    27,216.08x = 573,929,812.87
  5. Step 5: Solve for x
    x = 573,929,812.87/27,216.08
  6. Step 6: Final answer
    x = 21,087.89

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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.