Home / 28,064.04-42,102.98-8,342.51

Finding the Fourth Proportional to 28,064.04, 42,102.98 and 8,342.51

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Solution

The fourth proportional to 28,064.04, 42,102.98 and 8,342.51 is: 12,515.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.04 : 42,102.98 = 8,342.51 : x
  2. Step 2: Convert to fraction form
    28,064.04/42,102.98 = 8,342.51/x
  3. Step 3: Cross multiply
    28,064.04x = 42,102.98 × 8,342.51
  4. Step 4: Simplify right side
    28,064.04x = 351,244,531.68
  5. Step 5: Solve for x
    x = 351,244,531.68/28,064.04
  6. Step 6: Final answer
    x = 12,515.82

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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.