Home / 28,110.30-42,153.30-14,064.90

Finding the Fourth Proportional to 28,110.30, 42,153.30 and 14,064.90

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Solution

The fourth proportional to 28,110.30, 42,153.30 and 14,064.90 is: 21,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110.30 : 42,153.30 = 14,064.90 : x
  2. Step 2: Convert to fraction form
    28,110.30/42,153.30 = 14,064.90/x
  3. Step 3: Cross multiply
    28,110.30x = 42,153.30 × 14,064.90
  4. Step 4: Simplify right side
    28,110.30x = 592,881,949.17
  5. Step 5: Solve for x
    x = 592,881,949.17/28,110.30
  6. Step 6: Final answer
    x = 21,091.27

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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.