Home / 28,232.35-42,337.38-12,438.06

Finding the Fourth Proportional to 28,232.35, 42,337.38 and 12,438.06

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Solution

The fourth proportional to 28,232.35, 42,337.38 and 12,438.06 is: 18,652.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232.35 : 42,337.38 = 12,438.06 : x
  2. Step 2: Convert to fraction form
    28,232.35/42,337.38 = 12,438.06/x
  3. Step 3: Cross multiply
    28,232.35x = 42,337.38 × 12,438.06
  4. Step 4: Simplify right side
    28,232.35x = 526,594,760.56
  5. Step 5: Solve for x
    x = 526,594,760.56/28,232.35
  6. Step 6: Final answer
    x = 18,652.18

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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.