Home / 28,068.19-38,734.15-15,492.94

Finding the Fourth Proportional to 28,068.19, 38,734.15 and 15,492.94

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Solution

The fourth proportional to 28,068.19, 38,734.15 and 15,492.94 is: 21,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068.19 : 38,734.15 = 15,492.94 : x
  2. Step 2: Convert to fraction form
    28,068.19/38,734.15 = 15,492.94/x
  3. Step 3: Cross multiply
    28,068.19x = 38,734.15 × 15,492.94
  4. Step 4: Simplify right side
    28,068.19x = 600,105,755.38
  5. Step 5: Solve for x
    x = 600,105,755.38/28,068.19
  6. Step 6: Final answer
    x = 21,380.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.