Home / 27,289.71-37,659.39-15,353.06

Finding the Fourth Proportional to 27,289.71, 37,659.39 and 15,353.06

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Solution

The fourth proportional to 27,289.71, 37,659.39 and 15,353.06 is: 21,186.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,289.71 : 37,659.39 = 15,353.06 : x
  2. Step 2: Convert to fraction form
    27,289.71/37,659.39 = 15,353.06/x
  3. Step 3: Cross multiply
    27,289.71x = 37,659.39 × 15,353.06
  4. Step 4: Simplify right side
    27,289.71x = 578,186,874.23
  5. Step 5: Solve for x
    x = 578,186,874.23/27,289.71
  6. Step 6: Final answer
    x = 21,186.99

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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.