Home / 28,056.72-42,059.16-10,538.04

Finding the Fourth Proportional to 28,056.72, 42,059.16 and 10,538.04

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Solution

The fourth proportional to 28,056.72, 42,059.16 and 10,538.04 is: 15,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056.72 : 42,059.16 = 10,538.04 : x
  2. Step 2: Convert to fraction form
    28,056.72/42,059.16 = 10,538.04/x
  3. Step 3: Cross multiply
    28,056.72x = 42,059.16 × 10,538.04
  4. Step 4: Simplify right side
    28,056.72x = 443,221,110.45
  5. Step 5: Solve for x
    x = 443,221,110.45/28,056.72
  6. Step 6: Final answer
    x = 15,797.32

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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.