Home / 27,914.34-38,522.61-15,981.51

Finding the Fourth Proportional to 27,914.34, 38,522.61 and 15,981.51

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Solution

The fourth proportional to 27,914.34, 38,522.61 and 15,981.51 is: 22,054.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,914.34 : 38,522.61 = 15,981.51 : x
  2. Step 2: Convert to fraction form
    27,914.34/38,522.61 = 15,981.51/x
  3. Step 3: Cross multiply
    27,914.34x = 38,522.61 × 15,981.51
  4. Step 4: Simplify right side
    27,914.34x = 615,649,476.94
  5. Step 5: Solve for x
    x = 615,649,476.94/27,914.34
  6. Step 6: Final answer
    x = 22,054.95

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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.