Home / 28,548.16-42,832.38-12,751.72

Finding the Fourth Proportional to 28,548.16, 42,832.38 and 12,751.72

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Solution

The fourth proportional to 28,548.16, 42,832.38 and 12,751.72 is: 19,132.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548.16 : 42,832.38 = 12,751.72 : x
  2. Step 2: Convert to fraction form
    28,548.16/42,832.38 = 12,751.72/x
  3. Step 3: Cross multiply
    28,548.16x = 42,832.38 × 12,751.72
  4. Step 4: Simplify right side
    28,548.16x = 546,186,516.69
  5. Step 5: Solve for x
    x = 546,186,516.69/28,548.16
  6. Step 6: Final answer
    x = 19,132.11

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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.