Home / 28,401.01-39,193.22-15,480.26

Finding the Fourth Proportional to 28,401.01, 39,193.22 and 15,480.26

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Solution

The fourth proportional to 28,401.01, 39,193.22 and 15,480.26 is: 21,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,401.01 : 39,193.22 = 15,480.26 : x
  2. Step 2: Convert to fraction form
    28,401.01/39,193.22 = 15,480.26/x
  3. Step 3: Cross multiply
    28,401.01x = 39,193.22 × 15,480.26
  4. Step 4: Simplify right side
    28,401.01x = 606,721,358.93
  5. Step 5: Solve for x
    x = 606,721,358.93/28,401.01
  6. Step 6: Final answer
    x = 21,362.67

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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.