Home / 34,527.84-47,647-20,385.24

Finding the Fourth Proportional to 34,527.84, 47,647 and 20,385.24

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Solution

The fourth proportional to 34,527.84, 47,647 and 20,385.24 is: 28,130.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,527.84 : 47,647 = 20,385.24 : x
  2. Step 2: Convert to fraction form
    34,527.84/47,647 = 20,385.24/x
  3. Step 3: Cross multiply
    34,527.84x = 47,647 × 20,385.24
  4. Step 4: Simplify right side
    34,527.84x = 971,295,530.28
  5. Step 5: Solve for x
    x = 971,295,530.28/34,527.84
  6. Step 6: Final answer
    x = 28,130.79

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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.