Home / 20,000.79-27,598.73-11,047.76

Finding the Fourth Proportional to 20,000.79, 27,598.73 and 11,047.76

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Solution

The fourth proportional to 20,000.79, 27,598.73 and 11,047.76 is: 15,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000.79 : 27,598.73 = 11,047.76 : x
  2. Step 2: Convert to fraction form
    20,000.79/27,598.73 = 11,047.76/x
  3. Step 3: Cross multiply
    20,000.79x = 27,598.73 × 11,047.76
  4. Step 4: Simplify right side
    20,000.79x = 304,903,952.11
  5. Step 5: Solve for x
    x = 304,903,952.11/20,000.79
  6. Step 6: Final answer
    x = 15,244.60

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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.