Home / 28,661.15-42,701.18-27,249.55

Finding the Fourth Proportional to 28,661.15, 42,701.18 and 27,249.55

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Solution

The fourth proportional to 28,661.15, 42,701.18 and 27,249.55 is: 40,598.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,661.15 : 42,701.18 = 27,249.55 : x
  2. Step 2: Convert to fraction form
    28,661.15/42,701.18 = 27,249.55/x
  3. Step 3: Cross multiply
    28,661.15x = 42,701.18 × 27,249.55
  4. Step 4: Simplify right side
    28,661.15x = 1,163,587,696.47
  5. Step 5: Solve for x
    x = 1,163,587,696.47/28,661.15
  6. Step 6: Final answer
    x = 40,598.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.