Home / 27,399.47-37,811.81-16,077.65

Finding the Fourth Proportional to 27,399.47, 37,811.81 and 16,077.65

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Solution

The fourth proportional to 27,399.47, 37,811.81 and 16,077.65 is: 22,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,399.47 : 37,811.81 = 16,077.65 : x
  2. Step 2: Convert to fraction form
    27,399.47/37,811.81 = 16,077.65/x
  3. Step 3: Cross multiply
    27,399.47x = 37,811.81 × 16,077.65
  4. Step 4: Simplify right side
    27,399.47x = 607,924,898.18
  5. Step 5: Solve for x
    x = 607,924,898.18/27,399.47
  6. Step 6: Final answer
    x = 22,187.47

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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.