Home / 27,556.50-38,028.16-14,981.70

Finding the Fourth Proportional to 27,556.50, 38,028.16 and 14,981.70

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Solution

The fourth proportional to 27,556.50, 38,028.16 and 14,981.70 is: 20,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,556.50 : 38,028.16 = 14,981.70 : x
  2. Step 2: Convert to fraction form
    27,556.50/38,028.16 = 14,981.70/x
  3. Step 3: Cross multiply
    27,556.50x = 38,028.16 × 14,981.70
  4. Step 4: Simplify right side
    27,556.50x = 569,726,484.67
  5. Step 5: Solve for x
    x = 569,726,484.67/27,556.50
  6. Step 6: Final answer
    x = 20,674.85

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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.