Home / 28,714.46-42,979.32-15,354.10

Finding the Fourth Proportional to 28,714.46, 42,979.32 and 15,354.10

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Solution

The fourth proportional to 28,714.46, 42,979.32 and 15,354.10 is: 22,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.46 : 42,979.32 = 15,354.10 : x
  2. Step 2: Convert to fraction form
    28,714.46/42,979.32 = 15,354.10/x
  3. Step 3: Cross multiply
    28,714.46x = 42,979.32 × 15,354.10
  4. Step 4: Simplify right side
    28,714.46x = 659,908,777.21
  5. Step 5: Solve for x
    x = 659,908,777.21/28,714.46
  6. Step 6: Final answer
    x = 22,981.76

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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.