Home / 28,027.04-42,044.60-9,300.72

Finding the Fourth Proportional to 28,027.04, 42,044.60 and 9,300.72

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Solution

The fourth proportional to 28,027.04, 42,044.60 and 9,300.72 is: 13,952.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.04 : 42,044.60 = 9,300.72 : x
  2. Step 2: Convert to fraction form
    28,027.04/42,044.60 = 9,300.72/x
  3. Step 3: Cross multiply
    28,027.04x = 42,044.60 × 9,300.72
  4. Step 4: Simplify right side
    28,027.04x = 391,045,052.11
  5. Step 5: Solve for x
    x = 391,045,052.11/28,027.04
  6. Step 6: Final answer
    x = 13,952.42

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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.