Home / 42,883.36-64,338.08-28,899.52

Finding the Fourth Proportional to 42,883.36, 64,338.08 and 28,899.52

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Solution

The fourth proportional to 42,883.36, 64,338.08 and 28,899.52 is: 43,358.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,883.36 : 64,338.08 = 28,899.52 : x
  2. Step 2: Convert to fraction form
    42,883.36/64,338.08 = 28,899.52/x
  3. Step 3: Cross multiply
    42,883.36x = 64,338.08 × 28,899.52
  4. Step 4: Simplify right side
    42,883.36x = 1,859,339,629.72
  5. Step 5: Solve for x
    x = 1,859,339,629.72/42,883.36
  6. Step 6: Final answer
    x = 43,358.07

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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.