Home / 20,230.01-27,918.62-11,277.50

Finding the Fourth Proportional to 20,230.01, 27,918.62 and 11,277.50

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Solution

The fourth proportional to 20,230.01, 27,918.62 and 11,277.50 is: 15,563.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.01 : 27,918.62 = 11,277.50 : x
  2. Step 2: Convert to fraction form
    20,230.01/27,918.62 = 11,277.50/x
  3. Step 3: Cross multiply
    20,230.01x = 27,918.62 × 11,277.50
  4. Step 4: Simplify right side
    20,230.01x = 314,852,041.07
  5. Step 5: Solve for x
    x = 314,852,041.07/20,230.01
  6. Step 6: Final answer
    x = 15,563.62

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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.