Home / 28,597.32-42,896.01-11,948.28

Finding the Fourth Proportional to 28,597.32, 42,896.01 and 11,948.28

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Solution

The fourth proportional to 28,597.32, 42,896.01 and 11,948.28 is: 17,922.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,597.32 : 42,896.01 = 11,948.28 : x
  2. Step 2: Convert to fraction form
    28,597.32/42,896.01 = 11,948.28/x
  3. Step 3: Cross multiply
    28,597.32x = 42,896.01 × 11,948.28
  4. Step 4: Simplify right side
    28,597.32x = 512,533,538.36
  5. Step 5: Solve for x
    x = 512,533,538.36/28,597.32
  6. Step 6: Final answer
    x = 17,922.43

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Similar ratio
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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.