Home / 28,277.84-42,428.76-14,230.52

Finding the Fourth Proportional to 28,277.84, 42,428.76 and 14,230.52

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Solution

The fourth proportional to 28,277.84, 42,428.76 and 14,230.52 is: 21,351.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277.84 : 42,428.76 = 14,230.52 : x
  2. Step 2: Convert to fraction form
    28,277.84/42,428.76 = 14,230.52/x
  3. Step 3: Cross multiply
    28,277.84x = 42,428.76 × 14,230.52
  4. Step 4: Simplify right side
    28,277.84x = 603,783,317.76
  5. Step 5: Solve for x
    x = 603,783,317.76/28,277.84
  6. Step 6: Final answer
    x = 21,351.82

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1.5x scale

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.