Home / 35,661.28-53,455.92-25,776.40

Finding the Fourth Proportional to 35,661.28, 53,455.92 and 25,776.40

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Solution

The fourth proportional to 35,661.28, 53,455.92 and 25,776.40 is: 38,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,661.28 : 53,455.92 = 25,776.40 : x
  2. Step 2: Convert to fraction form
    35,661.28/53,455.92 = 25,776.40/x
  3. Step 3: Cross multiply
    35,661.28x = 53,455.92 × 25,776.40
  4. Step 4: Simplify right side
    35,661.28x = 1,377,901,176.29
  5. Step 5: Solve for x
    x = 1,377,901,176.29/35,661.28
  6. Step 6: Final answer
    x = 38,638.58

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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.