Home / 28,066.70-42,077.88-14,019.01

Finding the Fourth Proportional to 28,066.70, 42,077.88 and 14,019.01

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Solution

The fourth proportional to 28,066.70, 42,077.88 and 14,019.01 is: 21,017.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,066.70 : 42,077.88 = 14,019.01 : x
  2. Step 2: Convert to fraction form
    28,066.70/42,077.88 = 14,019.01/x
  3. Step 3: Cross multiply
    28,066.70x = 42,077.88 × 14,019.01
  4. Step 4: Simplify right side
    28,066.70x = 589,890,115.30
  5. Step 5: Solve for x
    x = 589,890,115.30/28,066.70
  6. Step 6: Final answer
    x = 21,017.44

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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.