Home / 26,656.85-39,985.05-10,858.16

Finding the Fourth Proportional to 26,656.85, 39,985.05 and 10,858.16

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Solution

The fourth proportional to 26,656.85, 39,985.05 and 10,858.16 is: 16,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,656.85 : 39,985.05 = 10,858.16 : x
  2. Step 2: Convert to fraction form
    26,656.85/39,985.05 = 10,858.16/x
  3. Step 3: Cross multiply
    26,656.85x = 39,985.05 × 10,858.16
  4. Step 4: Simplify right side
    26,656.85x = 434,163,870.58
  5. Step 5: Solve for x
    x = 434,163,870.58/26,656.85
  6. Step 6: Final answer
    x = 16,287.14

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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.