Home / 28,200.43-42,300.69-11,557.36

Finding the Fourth Proportional to 28,200.43, 42,300.69 and 11,557.36

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Solution

The fourth proportional to 28,200.43, 42,300.69 and 11,557.36 is: 17,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,200.43 : 42,300.69 = 11,557.36 : x
  2. Step 2: Convert to fraction form
    28,200.43/42,300.69 = 11,557.36/x
  3. Step 3: Cross multiply
    28,200.43x = 42,300.69 × 11,557.36
  4. Step 4: Simplify right side
    28,200.43x = 488,884,302.58
  5. Step 5: Solve for x
    x = 488,884,302.58/28,200.43
  6. Step 6: Final answer
    x = 17,336.06

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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.