Home / 21,916.32-32,848.38-12,562.80

Finding the Fourth Proportional to 21,916.32, 32,848.38 and 12,562.80

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Solution

The fourth proportional to 21,916.32, 32,848.38 and 12,562.80 is: 18,829.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,916.32 : 32,848.38 = 12,562.80 : x
  2. Step 2: Convert to fraction form
    21,916.32/32,848.38 = 12,562.80/x
  3. Step 3: Cross multiply
    21,916.32x = 32,848.38 × 12,562.80
  4. Step 4: Simplify right side
    21,916.32x = 412,667,628.26
  5. Step 5: Solve for x
    x = 412,667,628.26/21,916.32
  6. Step 6: Final answer
    x = 18,829.24

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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.