Home / 27,981.84-38,618.28-16,499.35

Finding the Fourth Proportional to 27,981.84, 38,618.28 and 16,499.35

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Solution

The fourth proportional to 27,981.84, 38,618.28 and 16,499.35 is: 22,771.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.84 : 38,618.28 = 16,499.35 : x
  2. Step 2: Convert to fraction form
    27,981.84/38,618.28 = 16,499.35/x
  3. Step 3: Cross multiply
    27,981.84x = 38,618.28 × 16,499.35
  4. Step 4: Simplify right side
    27,981.84x = 637,176,372.37
  5. Step 5: Solve for x
    x = 637,176,372.37/27,981.84
  6. Step 6: Final answer
    x = 22,771.07

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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.