Home / 25,688.76-38,279.16-23,072.40

Finding the Fourth Proportional to 25,688.76, 38,279.16 and 23,072.40

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Solution

The fourth proportional to 25,688.76, 38,279.16 and 23,072.40 is: 34,380.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.76 : 38,279.16 = 23,072.40 : x
  2. Step 2: Convert to fraction form
    25,688.76/38,279.16 = 23,072.40/x
  3. Step 3: Cross multiply
    25,688.76x = 38,279.16 × 23,072.40
  4. Step 4: Simplify right side
    25,688.76x = 883,192,091.18
  5. Step 5: Solve for x
    x = 883,192,091.18/25,688.76
  6. Step 6: Final answer
    x = 34,380.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.