Home / 25,280.36-34,875.82-15,203

Finding the Fourth Proportional to 25,280.36, 34,875.82 and 15,203

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Solution

The fourth proportional to 25,280.36, 34,875.82 and 15,203 is: 20,973.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280.36 : 34,875.82 = 15,203 : x
  2. Step 2: Convert to fraction form
    25,280.36/34,875.82 = 15,203/x
  3. Step 3: Cross multiply
    25,280.36x = 34,875.82 × 15,203
  4. Step 4: Simplify right side
    25,280.36x = 530,217,091.46
  5. Step 5: Solve for x
    x = 530,217,091.46/25,280.36
  6. Step 6: Final answer
    x = 20,973.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.