Home / 28,236.98-42,357.54-9,516.92

Finding the Fourth Proportional to 28,236.98, 42,357.54 and 9,516.92

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Solution

The fourth proportional to 28,236.98, 42,357.54 and 9,516.92 is: 14,276.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236.98 : 42,357.54 = 9,516.92 : x
  2. Step 2: Convert to fraction form
    28,236.98/42,357.54 = 9,516.92/x
  3. Step 3: Cross multiply
    28,236.98x = 42,357.54 × 9,516.92
  4. Step 4: Simplify right side
    28,236.98x = 403,113,319.58
  5. Step 5: Solve for x
    x = 403,113,319.58/28,236.98
  6. Step 6: Final answer
    x = 14,276.08

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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.