Home / 20,594.09-28,422.87-13,041.11

Finding the Fourth Proportional to 20,594.09, 28,422.87 and 13,041.11

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Solution

The fourth proportional to 20,594.09, 28,422.87 and 13,041.11 is: 17,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594.09 : 28,422.87 = 13,041.11 : x
  2. Step 2: Convert to fraction form
    20,594.09/28,422.87 = 13,041.11/x
  3. Step 3: Cross multiply
    20,594.09x = 28,422.87 × 13,041.11
  4. Step 4: Simplify right side
    20,594.09x = 370,665,632.07
  5. Step 5: Solve for x
    x = 370,665,632.07/20,594.09
  6. Step 6: Final answer
    x = 17,998.65

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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.