Home / 28,387.84-42,604.44-16,710.88

Finding the Fourth Proportional to 28,387.84, 42,604.44 and 16,710.88

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Solution

The fourth proportional to 28,387.84, 42,604.44 and 16,710.88 is: 25,079.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,387.84 : 42,604.44 = 16,710.88 : x
  2. Step 2: Convert to fraction form
    28,387.84/42,604.44 = 16,710.88/x
  3. Step 3: Cross multiply
    28,387.84x = 42,604.44 × 16,710.88
  4. Step 4: Simplify right side
    28,387.84x = 711,957,684.31
  5. Step 5: Solve for x
    x = 711,957,684.31/28,387.84
  6. Step 6: Final answer
    x = 25,079.67

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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.