Home / 15,904.87-23,820.39-15,351.30

Finding the Fourth Proportional to 15,904.87, 23,820.39 and 15,351.30

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Solution

The fourth proportional to 15,904.87, 23,820.39 and 15,351.30 is: 22,991.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904.87 : 23,820.39 = 15,351.30 : x
  2. Step 2: Convert to fraction form
    15,904.87/23,820.39 = 15,351.30/x
  3. Step 3: Cross multiply
    15,904.87x = 23,820.39 × 15,351.30
  4. Step 4: Simplify right side
    15,904.87x = 365,673,953.01
  5. Step 5: Solve for x
    x = 365,673,953.01/15,904.87
  6. Step 6: Final answer
    x = 22,991.32

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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.