Home / 28,033.23-42,045.66-9,326.28

Finding the Fourth Proportional to 28,033.23, 42,045.66 and 9,326.28

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Solution

The fourth proportional to 28,033.23, 42,045.66 and 9,326.28 is: 13,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033.23 : 42,045.66 = 9,326.28 : x
  2. Step 2: Convert to fraction form
    28,033.23/42,045.66 = 9,326.28/x
  3. Step 3: Cross multiply
    28,033.23x = 42,045.66 × 9,326.28
  4. Step 4: Simplify right side
    28,033.23x = 392,129,597.94
  5. Step 5: Solve for x
    x = 392,129,597.94/28,033.23
  6. Step 6: Final answer
    x = 13,988.03

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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.