Home / 25,364.34-38,048.18-8,490.72

Finding the Fourth Proportional to 25,364.34, 38,048.18 and 8,490.72

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Solution

The fourth proportional to 25,364.34, 38,048.18 and 8,490.72 is: 12,736.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,364.34 : 38,048.18 = 8,490.72 : x
  2. Step 2: Convert to fraction form
    25,364.34/38,048.18 = 8,490.72/x
  3. Step 3: Cross multiply
    25,364.34x = 38,048.18 × 8,490.72
  4. Step 4: Simplify right side
    25,364.34x = 323,056,590.88
  5. Step 5: Solve for x
    x = 323,056,590.88/25,364.34
  6. Step 6: Final answer
    x = 12,736.64

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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.