Home / 27,898.34-38,498.95-15,960.90

Finding the Fourth Proportional to 27,898.34, 38,498.95 and 15,960.90

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Solution

The fourth proportional to 27,898.34, 38,498.95 and 15,960.90 is: 22,025.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,898.34 : 38,498.95 = 15,960.90 : x
  2. Step 2: Convert to fraction form
    27,898.34/38,498.95 = 15,960.90/x
  3. Step 3: Cross multiply
    27,898.34x = 38,498.95 × 15,960.90
  4. Step 4: Simplify right side
    27,898.34x = 614,477,992.67
  5. Step 5: Solve for x
    x = 614,477,992.67/27,898.34
  6. Step 6: Final answer
    x = 22,025.61

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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.