Home / 27,311.63-40,969.67-7,590.18

Finding the Fourth Proportional to 27,311.63, 40,969.67 and 7,590.18

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Solution

The fourth proportional to 27,311.63, 40,969.67 and 7,590.18 is: 11,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.63 : 40,969.67 = 7,590.18 : x
  2. Step 2: Convert to fraction form
    27,311.63/40,969.67 = 7,590.18/x
  3. Step 3: Cross multiply
    27,311.63x = 40,969.67 × 7,590.18
  4. Step 4: Simplify right side
    27,311.63x = 310,967,131.89
  5. Step 5: Solve for x
    x = 310,967,131.89/27,311.63
  6. Step 6: Final answer
    x = 11,385.89

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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.