Home / 21,045.60-31,568.58-9,952.56

Finding the Fourth Proportional to 21,045.60, 31,568.58 and 9,952.56

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Solution

The fourth proportional to 21,045.60, 31,568.58 and 9,952.56 is: 14,928.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045.60 : 31,568.58 = 9,952.56 : x
  2. Step 2: Convert to fraction form
    21,045.60/31,568.58 = 9,952.56/x
  3. Step 3: Cross multiply
    21,045.60x = 31,568.58 × 9,952.56
  4. Step 4: Simplify right side
    21,045.60x = 314,188,186.56
  5. Step 5: Solve for x
    x = 314,188,186.56/21,045.60
  6. Step 6: Final answer
    x = 14,928.93

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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.