Home / 28,866.60-43,317.02-10,400.04

Finding the Fourth Proportional to 28,866.60, 43,317.02 and 10,400.04

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Solution

The fourth proportional to 28,866.60, 43,317.02 and 10,400.04 is: 15,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,866.60 : 43,317.02 = 10,400.04 : x
  2. Step 2: Convert to fraction form
    28,866.60/43,317.02 = 10,400.04/x
  3. Step 3: Cross multiply
    28,866.60x = 43,317.02 × 10,400.04
  4. Step 4: Simplify right side
    28,866.60x = 450,498,740.68
  5. Step 5: Solve for x
    x = 450,498,740.68/28,866.60
  6. Step 6: Final answer
    x = 15,606.23

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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.