Home / 21,576.15-32,376.78-9,095.40

Finding the Fourth Proportional to 21,576.15, 32,376.78 and 9,095.40

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Solution

The fourth proportional to 21,576.15, 32,376.78 and 9,095.40 is: 13,648.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576.15 : 32,376.78 = 9,095.40 : x
  2. Step 2: Convert to fraction form
    21,576.15/32,376.78 = 9,095.40/x
  3. Step 3: Cross multiply
    21,576.15x = 32,376.78 × 9,095.40
  4. Step 4: Simplify right side
    21,576.15x = 294,479,764.81
  5. Step 5: Solve for x
    x = 294,479,764.81/21,576.15
  6. Step 6: Final answer
    x = 13,648.39

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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.