Home / 26,405.16-39,627.72-9,775.32

Finding the Fourth Proportional to 26,405.16, 39,627.72 and 9,775.32

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Solution

The fourth proportional to 26,405.16, 39,627.72 and 9,775.32 is: 14,670.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405.16 : 39,627.72 = 9,775.32 : x
  2. Step 2: Convert to fraction form
    26,405.16/39,627.72 = 9,775.32/x
  3. Step 3: Cross multiply
    26,405.16x = 39,627.72 × 9,775.32
  4. Step 4: Simplify right side
    26,405.16x = 387,373,643.87
  5. Step 5: Solve for x
    x = 387,373,643.87/26,405.16
  6. Step 6: Final answer
    x = 14,670.38

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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.