Home / 28,030.41-42,017.27-18,175.95

Finding the Fourth Proportional to 28,030.41, 42,017.27 and 18,175.95

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Solution

The fourth proportional to 28,030.41, 42,017.27 and 18,175.95 is: 27,245.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030.41 : 42,017.27 = 18,175.95 : x
  2. Step 2: Convert to fraction form
    28,030.41/42,017.27 = 18,175.95/x
  3. Step 3: Cross multiply
    28,030.41x = 42,017.27 × 18,175.95
  4. Step 4: Simplify right side
    28,030.41x = 763,703,707.78
  5. Step 5: Solve for x
    x = 763,703,707.78/28,030.41
  6. Step 6: Final answer
    x = 27,245.54

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1.5x scale

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.