Home / 27,289.46-37,659.30-15,352.88

Finding the Fourth Proportional to 27,289.46, 37,659.30 and 15,352.88

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Solution

The fourth proportional to 27,289.46, 37,659.30 and 15,352.88 is: 21,186.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,289.46 : 37,659.30 = 15,352.88 : x
  2. Step 2: Convert to fraction form
    27,289.46/37,659.30 = 15,352.88/x
  3. Step 3: Cross multiply
    27,289.46x = 37,659.30 × 15,352.88
  4. Step 4: Simplify right side
    27,289.46x = 578,178,525.49
  5. Step 5: Solve for x
    x = 578,178,525.49/27,289.46
  6. Step 6: Final answer
    x = 21,186.88

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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.