Home / 27,770.48-38,325.32-15,834.12

Finding the Fourth Proportional to 27,770.48, 38,325.32 and 15,834.12

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Solution

The fourth proportional to 27,770.48, 38,325.32 and 15,834.12 is: 21,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,770.48 : 38,325.32 = 15,834.12 : x
  2. Step 2: Convert to fraction form
    27,770.48/38,325.32 = 15,834.12/x
  3. Step 3: Cross multiply
    27,770.48x = 38,325.32 × 15,834.12
  4. Step 4: Simplify right side
    27,770.48x = 606,847,715.92
  5. Step 5: Solve for x
    x = 606,847,715.92/27,770.48
  6. Step 6: Final answer
    x = 21,852.26

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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.