Home / 28,878.64-43,301.76-14,056

Finding the Fourth Proportional to 28,878.64, 43,301.76 and 14,056

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Solution

The fourth proportional to 28,878.64, 43,301.76 and 14,056 is: 21,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,878.64 : 43,301.76 = 14,056 : x
  2. Step 2: Convert to fraction form
    28,878.64/43,301.76 = 14,056/x
  3. Step 3: Cross multiply
    28,878.64x = 43,301.76 × 14,056
  4. Step 4: Simplify right side
    28,878.64x = 608,649,538.56
  5. Step 5: Solve for x
    x = 608,649,538.56/28,878.64
  6. Step 6: Final answer
    x = 21,076.12

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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.