Home / 23,961.99-35,888.31-21,159

Finding the Fourth Proportional to 23,961.99, 35,888.31 and 21,159

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Solution

The fourth proportional to 23,961.99, 35,888.31 and 21,159 is: 31,690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,961.99 : 35,888.31 = 21,159 : x
  2. Step 2: Convert to fraction form
    23,961.99/35,888.31 = 21,159/x
  3. Step 3: Cross multiply
    23,961.99x = 35,888.31 × 21,159
  4. Step 4: Simplify right side
    23,961.99x = 759,360,751.29
  5. Step 5: Solve for x
    x = 759,360,751.29/23,961.99
  6. Step 6: Final answer
    x = 31,690.22

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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.