Home / 27,718.45-38,251.45-14,971.63

Finding the Fourth Proportional to 27,718.45, 38,251.45 and 14,971.63

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Solution

The fourth proportional to 27,718.45, 38,251.45 and 14,971.63 is: 20,660.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,718.45 : 38,251.45 = 14,971.63 : x
  2. Step 2: Convert to fraction form
    27,718.45/38,251.45 = 14,971.63/x
  3. Step 3: Cross multiply
    27,718.45x = 38,251.45 × 14,971.63
  4. Step 4: Simplify right side
    27,718.45x = 572,686,556.36
  5. Step 5: Solve for x
    x = 572,686,556.36/27,718.45
  6. Step 6: Final answer
    x = 20,660.84

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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.