Home / 40,277.13-55,563.17-28,347.09

Finding the Fourth Proportional to 40,277.13, 55,563.17 and 28,347.09

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Solution

The fourth proportional to 40,277.13, 55,563.17 and 28,347.09 is: 39,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,277.13 : 55,563.17 = 28,347.09 : x
  2. Step 2: Convert to fraction form
    40,277.13/55,563.17 = 28,347.09/x
  3. Step 3: Cross multiply
    40,277.13x = 55,563.17 × 28,347.09
  4. Step 4: Simplify right side
    40,277.13x = 1,575,054,038.94
  5. Step 5: Solve for x
    x = 1,575,054,038.94/40,277.13
  6. Step 6: Final answer
    x = 39,105.42

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1.5x scale

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.