Home / 28,211.59-38,932.45-15,466.01

Finding the Fourth Proportional to 28,211.59, 38,932.45 and 15,466.01

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Solution

The fourth proportional to 28,211.59, 38,932.45 and 15,466.01 is: 21,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,211.59 : 38,932.45 = 15,466.01 : x
  2. Step 2: Convert to fraction form
    28,211.59/38,932.45 = 15,466.01/x
  3. Step 3: Cross multiply
    28,211.59x = 38,932.45 × 15,466.01
  4. Step 4: Simplify right side
    28,211.59x = 602,129,427.70
  5. Step 5: Solve for x
    x = 602,129,427.70/28,211.59
  6. Step 6: Final answer
    x = 21,343.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.