Home / 15,727.04-21,562.66-15,446.24

Finding the Fourth Proportional to 15,727.04, 21,562.66 and 15,446.24

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Solution

The fourth proportional to 15,727.04, 21,562.66 and 15,446.24 is: 21,177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727.04 : 21,562.66 = 15,446.24 : x
  2. Step 2: Convert to fraction form
    15,727.04/21,562.66 = 15,446.24/x
  3. Step 3: Cross multiply
    15,727.04x = 21,562.66 × 15,446.24
  4. Step 4: Simplify right side
    15,727.04x = 333,062,021.40
  5. Step 5: Solve for x
    x = 333,062,021.40/15,727.04
  6. Step 6: Final answer
    x = 21,177.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.