Home / 39,628.92-59,443.74-17,135.40

Finding the Fourth Proportional to 39,628.92, 59,443.74 and 17,135.40

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Solution

The fourth proportional to 39,628.92, 59,443.74 and 17,135.40 is: 25,703.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,628.92 : 59,443.74 = 17,135.40 : x
  2. Step 2: Convert to fraction form
    39,628.92/59,443.74 = 17,135.40/x
  3. Step 3: Cross multiply
    39,628.92x = 59,443.74 × 17,135.40
  4. Step 4: Simplify right side
    39,628.92x = 1,018,592,262.40
  5. Step 5: Solve for x
    x = 1,018,592,262.40/39,628.92
  6. Step 6: Final answer
    x = 25,703.26

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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.