Home / 21,590.70-32,395.46-7,560.81

Finding the Fourth Proportional to 21,590.70, 32,395.46 and 7,560.81

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Solution

The fourth proportional to 21,590.70, 32,395.46 and 7,560.81 is: 11,344.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590.70 : 32,395.46 = 7,560.81 : x
  2. Step 2: Convert to fraction form
    21,590.70/32,395.46 = 7,560.81/x
  3. Step 3: Cross multiply
    21,590.70x = 32,395.46 × 7,560.81
  4. Step 4: Simplify right side
    21,590.70x = 244,935,718.14
  5. Step 5: Solve for x
    x = 244,935,718.14/21,590.70
  6. Step 6: Final answer
    x = 11,344.50

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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.