Home / 28,285.08-42,436.83-13,492.07

Finding the Fourth Proportional to 28,285.08, 42,436.83 and 13,492.07

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Solution

The fourth proportional to 28,285.08, 42,436.83 and 13,492.07 is: 20,242.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,285.08 : 42,436.83 = 13,492.07 : x
  2. Step 2: Convert to fraction form
    28,285.08/42,436.83 = 13,492.07/x
  3. Step 3: Cross multiply
    28,285.08x = 42,436.83 × 13,492.07
  4. Step 4: Simplify right side
    28,285.08x = 572,560,680.94
  5. Step 5: Solve for x
    x = 572,560,680.94/28,285.08
  6. Step 6: Final answer
    x = 20,242.50

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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.