Home / 39,911.92-59,875.56-15,286

Finding the Fourth Proportional to 39,911.92, 59,875.56 and 15,286

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Solution

The fourth proportional to 39,911.92, 59,875.56 and 15,286 is: 22,931.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.92 : 59,875.56 = 15,286 : x
  2. Step 2: Convert to fraction form
    39,911.92/59,875.56 = 15,286/x
  3. Step 3: Cross multiply
    39,911.92x = 59,875.56 × 15,286
  4. Step 4: Simplify right side
    39,911.92x = 915,257,810.16
  5. Step 5: Solve for x
    x = 915,257,810.16/39,911.92
  6. Step 6: Final answer
    x = 22,931.94

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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.