Home / 28,817.46-39,768.27-16,071.45

Finding the Fourth Proportional to 28,817.46, 39,768.27 and 16,071.45

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Solution

The fourth proportional to 28,817.46, 39,768.27 and 16,071.45 is: 22,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.46 : 39,768.27 = 16,071.45 : x
  2. Step 2: Convert to fraction form
    28,817.46/39,768.27 = 16,071.45/x
  3. Step 3: Cross multiply
    28,817.46x = 39,768.27 × 16,071.45
  4. Step 4: Simplify right side
    28,817.46x = 639,133,702.62
  5. Step 5: Solve for x
    x = 639,133,702.62/28,817.46
  6. Step 6: Final answer
    x = 22,178.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.