Home / 20,167.07-30,228.18-15,220.67

Finding the Fourth Proportional to 20,167.07, 30,228.18 and 15,220.67

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Solution

The fourth proportional to 20,167.07, 30,228.18 and 15,220.67 is: 22,814.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167.07 : 30,228.18 = 15,220.67 : x
  2. Step 2: Convert to fraction form
    20,167.07/30,228.18 = 15,220.67/x
  3. Step 3: Cross multiply
    20,167.07x = 30,228.18 × 15,220.67
  4. Step 4: Simplify right side
    20,167.07x = 460,093,152.48
  5. Step 5: Solve for x
    x = 460,093,152.48/20,167.07
  6. Step 6: Final answer
    x = 22,814.08

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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.