Home / 29,295.35-40,427.57-15,866.60

Finding the Fourth Proportional to 29,295.35, 40,427.57 and 15,866.60

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Solution

The fourth proportional to 29,295.35, 40,427.57 and 15,866.60 is: 21,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,295.35 : 40,427.57 = 15,866.60 : x
  2. Step 2: Convert to fraction form
    29,295.35/40,427.57 = 15,866.60/x
  3. Step 3: Cross multiply
    29,295.35x = 40,427.57 × 15,866.60
  4. Step 4: Simplify right side
    29,295.35x = 641,448,002.83
  5. Step 5: Solve for x
    x = 641,448,002.83/29,295.35
  6. Step 6: Final answer
    x = 21,895.90

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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.