Home / 19,604.02-27,035.10-15,120.67

Finding the Fourth Proportional to 19,604.02, 27,035.10 and 15,120.67

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Solution

The fourth proportional to 19,604.02, 27,035.10 and 15,120.67 is: 20,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.02 : 27,035.10 = 15,120.67 : x
  2. Step 2: Convert to fraction form
    19,604.02/27,035.10 = 15,120.67/x
  3. Step 3: Cross multiply
    19,604.02x = 27,035.10 × 15,120.67
  4. Step 4: Simplify right side
    19,604.02x = 408,788,825.52
  5. Step 5: Solve for x
    x = 408,788,825.52/19,604.02
  6. Step 6: Final answer
    x = 20,852.30

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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.