Home / 21,576.48-32,364.96-9,725.76

Finding the Fourth Proportional to 21,576.48, 32,364.96 and 9,725.76

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Solution

The fourth proportional to 21,576.48, 32,364.96 and 9,725.76 is: 14,588.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576.48 : 32,364.96 = 9,725.76 : x
  2. Step 2: Convert to fraction form
    21,576.48/32,364.96 = 9,725.76/x
  3. Step 3: Cross multiply
    21,576.48x = 32,364.96 × 9,725.76
  4. Step 4: Simplify right side
    21,576.48x = 314,773,833.37
  5. Step 5: Solve for x
    x = 314,773,833.37/21,576.48
  6. Step 6: Final answer
    x = 14,588.75

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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.