Home / 20,352.84-30,535.46-13,715.98

Finding the Fourth Proportional to 20,352.84, 30,535.46 and 13,715.98

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Solution

The fourth proportional to 20,352.84, 30,535.46 and 13,715.98 is: 20,578.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352.84 : 30,535.46 = 13,715.98 : x
  2. Step 2: Convert to fraction form
    20,352.84/30,535.46 = 13,715.98/x
  3. Step 3: Cross multiply
    20,352.84x = 30,535.46 × 13,715.98
  4. Step 4: Simplify right side
    20,352.84x = 418,823,798.35
  5. Step 5: Solve for x
    x = 418,823,798.35/20,352.84
  6. Step 6: Final answer
    x = 20,578.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.