Home / 27,179.81-37,490.87-19,637.22

Finding the Fourth Proportional to 27,179.81, 37,490.87 and 19,637.22

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Solution

The fourth proportional to 27,179.81, 37,490.87 and 19,637.22 is: 27,086.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,179.81 : 37,490.87 = 19,637.22 : x
  2. Step 2: Convert to fraction form
    27,179.81/37,490.87 = 19,637.22/x
  3. Step 3: Cross multiply
    27,179.81x = 37,490.87 × 19,637.22
  4. Step 4: Simplify right side
    27,179.81x = 736,216,462.18
  5. Step 5: Solve for x
    x = 736,216,462.18/27,179.81
  6. Step 6: Final answer
    x = 27,086.89

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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.