Home / 20,741.30-28,600.40-14,015.27

Finding the Fourth Proportional to 20,741.30, 28,600.40 and 14,015.27

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Solution

The fourth proportional to 20,741.30, 28,600.40 and 14,015.27 is: 19,325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741.30 : 28,600.40 = 14,015.27 : x
  2. Step 2: Convert to fraction form
    20,741.30/28,600.40 = 14,015.27/x
  3. Step 3: Cross multiply
    20,741.30x = 28,600.40 × 14,015.27
  4. Step 4: Simplify right side
    20,741.30x = 400,842,328.11
  5. Step 5: Solve for x
    x = 400,842,328.11/20,741.30
  6. Step 6: Final answer
    x = 19,325.81

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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.