Home / 28,915.89-43,344.28-16,409.50

Finding the Fourth Proportional to 28,915.89, 43,344.28 and 16,409.50

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Solution

The fourth proportional to 28,915.89, 43,344.28 and 16,409.50 is: 24,597.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,915.89 : 43,344.28 = 16,409.50 : x
  2. Step 2: Convert to fraction form
    28,915.89/43,344.28 = 16,409.50/x
  3. Step 3: Cross multiply
    28,915.89x = 43,344.28 × 16,409.50
  4. Step 4: Simplify right side
    28,915.89x = 711,257,962.66
  5. Step 5: Solve for x
    x = 711,257,962.66/28,915.89
  6. Step 6: Final answer
    x = 24,597.48

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1.5x scale

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.