Home / 28,928.35-43,417.19-11,410.48

Finding the Fourth Proportional to 28,928.35, 43,417.19 and 11,410.48

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Solution

The fourth proportional to 28,928.35, 43,417.19 and 11,410.48 is: 17,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928.35 : 43,417.19 = 11,410.48 : x
  2. Step 2: Convert to fraction form
    28,928.35/43,417.19 = 11,410.48/x
  3. Step 3: Cross multiply
    28,928.35x = 43,417.19 × 11,410.48
  4. Step 4: Simplify right side
    28,928.35x = 495,411,029.64
  5. Step 5: Solve for x
    x = 495,411,029.64/28,928.35
  6. Step 6: Final answer
    x = 17,125.45

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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.