Home / 28,890.44-43,306.50-11,353.40

Finding the Fourth Proportional to 28,890.44, 43,306.50 and 11,353.40

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Solution

The fourth proportional to 28,890.44, 43,306.50 and 11,353.40 is: 17,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890.44 : 43,306.50 = 11,353.40 : x
  2. Step 2: Convert to fraction form
    28,890.44/43,306.50 = 11,353.40/x
  3. Step 3: Cross multiply
    28,890.44x = 43,306.50 × 11,353.40
  4. Step 4: Simplify right side
    28,890.44x = 491,676,017.10
  5. Step 5: Solve for x
    x = 491,676,017.10/28,890.44
  6. Step 6: Final answer
    x = 17,018.64

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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.