Home / 28,277.10-42,401.14-14,957.28

Finding the Fourth Proportional to 28,277.10, 42,401.14 and 14,957.28

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Solution

The fourth proportional to 28,277.10, 42,401.14 and 14,957.28 is: 22,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277.10 : 42,401.14 = 14,957.28 : x
  2. Step 2: Convert to fraction form
    28,277.10/42,401.14 = 14,957.28/x
  3. Step 3: Cross multiply
    28,277.10x = 42,401.14 × 14,957.28
  4. Step 4: Simplify right side
    28,277.10x = 634,205,579.90
  5. Step 5: Solve for x
    x = 634,205,579.90/28,277.10
  6. Step 6: Final answer
    x = 22,428.24

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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.