Home / 40,271.04-55,580.10-28,977.92

Finding the Fourth Proportional to 40,271.04, 55,580.10 and 28,977.92

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Solution

The fourth proportional to 40,271.04, 55,580.10 and 28,977.92 is: 39,993.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,271.04 : 55,580.10 = 28,977.92 : x
  2. Step 2: Convert to fraction form
    40,271.04/55,580.10 = 28,977.92/x
  3. Step 3: Cross multiply
    40,271.04x = 55,580.10 × 28,977.92
  4. Step 4: Simplify right side
    40,271.04x = 1,610,595,669.57
  5. Step 5: Solve for x
    x = 1,610,595,669.57/40,271.04
  6. Step 6: Final answer
    x = 39,993.89

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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.