Home / 27,277.23-37,642.80-15,340.46

Finding the Fourth Proportional to 27,277.23, 37,642.80 and 15,340.46

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Solution

The fourth proportional to 27,277.23, 37,642.80 and 15,340.46 is: 21,169.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,277.23 : 37,642.80 = 15,340.46 : x
  2. Step 2: Convert to fraction form
    27,277.23/37,642.80 = 15,340.46/x
  3. Step 3: Cross multiply
    27,277.23x = 37,642.80 × 15,340.46
  4. Step 4: Simplify right side
    27,277.23x = 577,457,867.69
  5. Step 5: Solve for x
    x = 577,457,867.69/27,277.23
  6. Step 6: Final answer
    x = 21,169.96

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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.