Home / 27,631.46-38,131.77-15,056.18

Finding the Fourth Proportional to 27,631.46, 38,131.77 and 15,056.18

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Solution

The fourth proportional to 27,631.46, 38,131.77 and 15,056.18 is: 20,777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.46 : 38,131.77 = 15,056.18 : x
  2. Step 2: Convert to fraction form
    27,631.46/38,131.77 = 15,056.18/x
  3. Step 3: Cross multiply
    27,631.46x = 38,131.77 × 15,056.18
  4. Step 4: Simplify right side
    27,631.46x = 574,118,792.84
  5. Step 5: Solve for x
    x = 574,118,792.84/27,631.46
  6. Step 6: Final answer
    x = 20,777.72

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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.