Home / 15,526.32-21,426.28-8,452.72

Finding the Fourth Proportional to 15,526.32, 21,426.28 and 8,452.72

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Solution

The fourth proportional to 15,526.32, 21,426.28 and 8,452.72 is: 11,664.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.32 : 21,426.28 = 8,452.72 : x
  2. Step 2: Convert to fraction form
    15,526.32/21,426.28 = 8,452.72/x
  3. Step 3: Cross multiply
    15,526.32x = 21,426.28 × 8,452.72
  4. Step 4: Simplify right side
    15,526.32x = 181,110,345.48
  5. Step 5: Solve for x
    x = 181,110,345.48/15,526.32
  6. Step 6: Final answer
    x = 11,664.73

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