Home / 20,030.99-27,641.64-10,954.54

Finding the Fourth Proportional to 20,030.99, 27,641.64 and 10,954.54

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Solution

The fourth proportional to 20,030.99, 27,641.64 and 10,954.54 is: 15,116.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.99 : 27,641.64 = 10,954.54 : x
  2. Step 2: Convert to fraction form
    20,030.99/27,641.64 = 10,954.54/x
  3. Step 3: Cross multiply
    20,030.99x = 27,641.64 × 10,954.54
  4. Step 4: Simplify right side
    20,030.99x = 302,801,465.06
  5. Step 5: Solve for x
    x = 302,801,465.06/20,030.99
  6. Step 6: Final answer
    x = 15,116.65

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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.