Home / 28,559.80-42,841.38-11,029.72

Finding the Fourth Proportional to 28,559.80, 42,841.38 and 11,029.72

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Solution

The fourth proportional to 28,559.80, 42,841.38 and 11,029.72 is: 16,545.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559.80 : 42,841.38 = 11,029.72 : x
  2. Step 2: Convert to fraction form
    28,559.80/42,841.38 = 11,029.72/x
  3. Step 3: Cross multiply
    28,559.80x = 42,841.38 × 11,029.72
  4. Step 4: Simplify right side
    28,559.80x = 472,528,425.81
  5. Step 5: Solve for x
    x = 472,528,425.81/28,559.80
  6. Step 6: Final answer
    x = 16,545.23

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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.