Home / 27,216.50-37,555.89-15,281.18

Finding the Fourth Proportional to 27,216.50, 37,555.89 and 15,281.18

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Solution

The fourth proportional to 27,216.50, 37,555.89 and 15,281.18 is: 21,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216.50 : 37,555.89 = 15,281.18 : x
  2. Step 2: Convert to fraction form
    27,216.50/37,555.89 = 15,281.18/x
  3. Step 3: Cross multiply
    27,216.50x = 37,555.89 × 15,281.18
  4. Step 4: Simplify right side
    27,216.50x = 573,898,315.15
  5. Step 5: Solve for x
    x = 573,898,315.15/27,216.50
  6. Step 6: Final answer
    x = 21,086.41

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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.