Home / 27,586.08-38,071.44-16,981.92

Finding the Fourth Proportional to 27,586.08, 38,071.44 and 16,981.92

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Solution

The fourth proportional to 27,586.08, 38,071.44 and 16,981.92 is: 23,436.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,586.08 : 38,071.44 = 16,981.92 : x
  2. Step 2: Convert to fraction form
    27,586.08/38,071.44 = 16,981.92/x
  3. Step 3: Cross multiply
    27,586.08x = 38,071.44 × 16,981.92
  4. Step 4: Simplify right side
    27,586.08x = 646,526,148.36
  5. Step 5: Solve for x
    x = 646,526,148.36/27,586.08
  6. Step 6: Final answer
    x = 23,436.68

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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.