Home / 28,886.30-43,343.85-16,415.90

Finding the Fourth Proportional to 28,886.30, 43,343.85 and 16,415.90

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Solution

The fourth proportional to 28,886.30, 43,343.85 and 16,415.90 is: 24,632.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886.30 : 43,343.85 = 16,415.90 : x
  2. Step 2: Convert to fraction form
    28,886.30/43,343.85 = 16,415.90/x
  3. Step 3: Cross multiply
    28,886.30x = 43,343.85 × 16,415.90
  4. Step 4: Simplify right side
    28,886.30x = 711,528,307.22
  5. Step 5: Solve for x
    x = 711,528,307.22/28,886.30
  6. Step 6: Final answer
    x = 24,632.03

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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.