Home / 28,783.79-43,177.23-9,063.89

Finding the Fourth Proportional to 28,783.79, 43,177.23 and 9,063.89

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Solution

The fourth proportional to 28,783.79, 43,177.23 and 9,063.89 is: 13,596.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,783.79 : 43,177.23 = 9,063.89 : x
  2. Step 2: Convert to fraction form
    28,783.79/43,177.23 = 9,063.89/x
  3. Step 3: Cross multiply
    28,783.79x = 43,177.23 × 9,063.89
  4. Step 4: Simplify right side
    28,783.79x = 391,353,523.04
  5. Step 5: Solve for x
    x = 391,353,523.04/28,783.79
  6. Step 6: Final answer
    x = 13,596.32

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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.