Home / 27,585.71-41,372.40-12,792.70

Finding the Fourth Proportional to 27,585.71, 41,372.40 and 12,792.70

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Solution

The fourth proportional to 27,585.71, 41,372.40 and 12,792.70 is: 19,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,585.71 : 41,372.40 = 12,792.70 : x
  2. Step 2: Convert to fraction form
    27,585.71/41,372.40 = 12,792.70/x
  3. Step 3: Cross multiply
    27,585.71x = 41,372.40 × 12,792.70
  4. Step 4: Simplify right side
    27,585.71x = 529,264,801.17
  5. Step 5: Solve for x
    x = 529,264,801.17/27,585.71
  6. Step 6: Final answer
    x = 19,186.20

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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.