Home / 28,068.48-38,734.24-15,492.96

Finding the Fourth Proportional to 28,068.48, 38,734.24 and 15,492.96

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Solution

The fourth proportional to 28,068.48, 38,734.24 and 15,492.96 is: 21,380.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068.48 : 38,734.24 = 15,492.96 : x
  2. Step 2: Convert to fraction form
    28,068.48/38,734.24 = 15,492.96/x
  3. Step 3: Cross multiply
    28,068.48x = 38,734.24 × 15,492.96
  4. Step 4: Simplify right side
    28,068.48x = 600,108,030.95
  5. Step 5: Solve for x
    x = 600,108,030.95/28,068.48
  6. Step 6: Final answer
    x = 21,380.14

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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.