Home / 29,128.60-43,571.40-26,533.36

Finding the Fourth Proportional to 29,128.60, 43,571.40 and 26,533.36

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Solution

The fourth proportional to 29,128.60, 43,571.40 and 26,533.36 is: 39,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,128.60 : 43,571.40 = 26,533.36 : x
  2. Step 2: Convert to fraction form
    29,128.60/43,571.40 = 26,533.36/x
  3. Step 3: Cross multiply
    29,128.60x = 43,571.40 × 26,533.36
  4. Step 4: Simplify right side
    29,128.60x = 1,156,095,641.90
  5. Step 5: Solve for x
    x = 1,156,095,641.90/29,128.60
  6. Step 6: Final answer
    x = 39,689.37

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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.