Home / 21,740.07-32,610.27-7,700.15

Finding the Fourth Proportional to 21,740.07, 32,610.27 and 7,700.15

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Solution

The fourth proportional to 21,740.07, 32,610.27 and 7,700.15 is: 11,550.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740.07 : 32,610.27 = 7,700.15 : x
  2. Step 2: Convert to fraction form
    21,740.07/32,610.27 = 7,700.15/x
  3. Step 3: Cross multiply
    21,740.07x = 32,610.27 × 7,700.15
  4. Step 4: Simplify right side
    21,740.07x = 251,103,970.54
  5. Step 5: Solve for x
    x = 251,103,970.54/21,740.07
  6. Step 6: Final answer
    x = 11,550.29

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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.