Home / 27,838.08-38,416.86-15,262.92

Finding the Fourth Proportional to 27,838.08, 38,416.86 and 15,262.92

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Solution

The fourth proportional to 27,838.08, 38,416.86 and 15,262.92 is: 21,063.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,838.08 : 38,416.86 = 15,262.92 : x
  2. Step 2: Convert to fraction form
    27,838.08/38,416.86 = 15,262.92/x
  3. Step 3: Cross multiply
    27,838.08x = 38,416.86 × 15,262.92
  4. Step 4: Simplify right side
    27,838.08x = 586,353,460.83
  5. Step 5: Solve for x
    x = 586,353,460.83/27,838.08
  6. Step 6: Final answer
    x = 21,063.00

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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.