Home / 28,366.70-42,492.72-14,307.18

Finding the Fourth Proportional to 28,366.70, 42,492.72 and 14,307.18

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Solution

The fourth proportional to 28,366.70, 42,492.72 and 14,307.18 is: 21,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366.70 : 42,492.72 = 14,307.18 : x
  2. Step 2: Convert to fraction form
    28,366.70/42,492.72 = 14,307.18/x
  3. Step 3: Cross multiply
    28,366.70x = 42,492.72 × 14,307.18
  4. Step 4: Simplify right side
    28,366.70x = 607,950,993.73
  5. Step 5: Solve for x
    x = 607,950,993.73/28,366.70
  6. Step 6: Final answer
    x = 21,431.85

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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.