Home / 28,697.57-39,600.73-15,949.93

Finding the Fourth Proportional to 28,697.57, 39,600.73 and 15,949.93

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Solution

The fourth proportional to 28,697.57, 39,600.73 and 15,949.93 is: 22,009.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,697.57 : 39,600.73 = 15,949.93 : x
  2. Step 2: Convert to fraction form
    28,697.57/39,600.73 = 15,949.93/x
  3. Step 3: Cross multiply
    28,697.57x = 39,600.73 × 15,949.93
  4. Step 4: Simplify right side
    28,697.57x = 631,628,866.64
  5. Step 5: Solve for x
    x = 631,628,866.64/28,697.57
  6. Step 6: Final answer
    x = 22,009.83

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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.