Home / 27,898.01-38,498.54-15,960.63

Finding the Fourth Proportional to 27,898.01, 38,498.54 and 15,960.63

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Solution

The fourth proportional to 27,898.01, 38,498.54 and 15,960.63 is: 22,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,898.01 : 38,498.54 = 15,960.63 : x
  2. Step 2: Convert to fraction form
    27,898.01/38,498.54 = 15,960.63/x
  3. Step 3: Cross multiply
    27,898.01x = 38,498.54 × 15,960.63
  4. Step 4: Simplify right side
    27,898.01x = 614,460,872.68
  5. Step 5: Solve for x
    x = 614,460,872.68/27,898.01
  6. Step 6: Final answer
    x = 22,025.26

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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.