Home / 27,289.80-37,657.24-15,352.88

Finding the Fourth Proportional to 27,289.80, 37,657.24 and 15,352.88

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Solution

The fourth proportional to 27,289.80, 37,657.24 and 15,352.88 is: 21,185.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,289.80 : 37,657.24 = 15,352.88 : x
  2. Step 2: Convert to fraction form
    27,289.80/37,657.24 = 15,352.88/x
  3. Step 3: Cross multiply
    27,289.80x = 37,657.24 × 15,352.88
  4. Step 4: Simplify right side
    27,289.80x = 578,147,158.36
  5. Step 5: Solve for x
    x = 578,147,158.36/27,289.80
  6. Step 6: Final answer
    x = 21,185.47

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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.