Home / 27,924.96-38,545.43-17,880.45

Finding the Fourth Proportional to 27,924.96, 38,545.43 and 17,880.45

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Solution

The fourth proportional to 27,924.96, 38,545.43 and 17,880.45 is: 24,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,924.96 : 38,545.43 = 17,880.45 : x
  2. Step 2: Convert to fraction form
    27,924.96/38,545.43 = 17,880.45/x
  3. Step 3: Cross multiply
    27,924.96x = 38,545.43 × 17,880.45
  4. Step 4: Simplify right side
    27,924.96x = 689,209,544.44
  5. Step 5: Solve for x
    x = 689,209,544.44/27,924.96
  6. Step 6: Final answer
    x = 24,680.77

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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.