Home / 26,657.34-39,985.81-10,858.66

Finding the Fourth Proportional to 26,657.34, 39,985.81 and 10,858.66

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Solution

The fourth proportional to 26,657.34, 39,985.81 and 10,858.66 is: 16,287.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,657.34 : 39,985.81 = 10,858.66 : x
  2. Step 2: Convert to fraction form
    26,657.34/39,985.81 = 10,858.66/x
  3. Step 3: Cross multiply
    26,657.34x = 39,985.81 × 10,858.66
  4. Step 4: Simplify right side
    26,657.34x = 434,192,315.61
  5. Step 5: Solve for x
    x = 434,192,315.61/26,657.34
  6. Step 6: Final answer
    x = 16,287.91

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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.