Home / 28,916.30-43,374.58-12,272.16

Finding the Fourth Proportional to 28,916.30, 43,374.58 and 12,272.16

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Solution

The fourth proportional to 28,916.30, 43,374.58 and 12,272.16 is: 18,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,916.30 : 43,374.58 = 12,272.16 : x
  2. Step 2: Convert to fraction form
    28,916.30/43,374.58 = 12,272.16/x
  3. Step 3: Cross multiply
    28,916.30x = 43,374.58 × 12,272.16
  4. Step 4: Simplify right side
    28,916.30x = 532,299,785.69
  5. Step 5: Solve for x
    x = 532,299,785.69/28,916.30
  6. Step 6: Final answer
    x = 18,408.30

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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.