Home / 26,886.74-40,295.07-13,728.02

Finding the Fourth Proportional to 26,886.74, 40,295.07 and 13,728.02

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Solution

The fourth proportional to 26,886.74, 40,295.07 and 13,728.02 is: 20,574.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,886.74 : 40,295.07 = 13,728.02 : x
  2. Step 2: Convert to fraction form
    26,886.74/40,295.07 = 13,728.02/x
  3. Step 3: Cross multiply
    26,886.74x = 40,295.07 × 13,728.02
  4. Step 4: Simplify right side
    26,886.74x = 553,171,526.86
  5. Step 5: Solve for x
    x = 553,171,526.86/26,886.74
  6. Step 6: Final answer
    x = 20,574.14

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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.