Home / 38,339.93-57,457.38-28,972.28

Finding the Fourth Proportional to 38,339.93, 57,457.38 and 28,972.28

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Solution

The fourth proportional to 38,339.93, 57,457.38 and 28,972.28 is: 43,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,339.93 : 57,457.38 = 28,972.28 : x
  2. Step 2: Convert to fraction form
    38,339.93/57,457.38 = 28,972.28/x
  3. Step 3: Cross multiply
    38,339.93x = 57,457.38 × 28,972.28
  4. Step 4: Simplify right side
    38,339.93x = 1,664,671,301.43
  5. Step 5: Solve for x
    x = 1,664,671,301.43/38,339.93
  6. Step 6: Final answer
    x = 43,418.74

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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.