Home / 20,084.04-27,700.38-13,715.75

Finding the Fourth Proportional to 20,084.04, 27,700.38 and 13,715.75

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Solution

The fourth proportional to 20,084.04, 27,700.38 and 13,715.75 is: 18,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.04 : 27,700.38 = 13,715.75 : x
  2. Step 2: Convert to fraction form
    20,084.04/27,700.38 = 13,715.75/x
  3. Step 3: Cross multiply
    20,084.04x = 27,700.38 × 13,715.75
  4. Step 4: Simplify right side
    20,084.04x = 379,931,486.99
  5. Step 5: Solve for x
    x = 379,931,486.99/20,084.04
  6. Step 6: Final answer
    x = 18,917.08

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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.