Home / 28,212.08-38,933.06-15,466.46

Finding the Fourth Proportional to 28,212.08, 38,933.06 and 15,466.46

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Solution

The fourth proportional to 28,212.08, 38,933.06 and 15,466.46 is: 21,343.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,212.08 : 38,933.06 = 15,466.46 : x
  2. Step 2: Convert to fraction form
    28,212.08/38,933.06 = 15,466.46/x
  3. Step 3: Cross multiply
    28,212.08x = 38,933.06 × 15,466.46
  4. Step 4: Simplify right side
    28,212.08x = 602,156,343.17
  5. Step 5: Solve for x
    x = 602,156,343.17/28,212.08
  6. Step 6: Final answer
    x = 21,343.92

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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.