Home / 28,915.64-43,343.91-16,409.25

Finding the Fourth Proportional to 28,915.64, 43,343.91 and 16,409.25

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Solution

The fourth proportional to 28,915.64, 43,343.91 and 16,409.25 is: 24,597.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,915.64 : 43,343.91 = 16,409.25 : x
  2. Step 2: Convert to fraction form
    28,915.64/43,343.91 = 16,409.25/x
  3. Step 3: Cross multiply
    28,915.64x = 43,343.91 × 16,409.25
  4. Step 4: Simplify right side
    28,915.64x = 711,241,055.17
  5. Step 5: Solve for x
    x = 711,241,055.17/28,915.64
  6. Step 6: Final answer
    x = 24,597.11

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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.