Home / 26,471.86-36,528.44-15,861.22

Finding the Fourth Proportional to 26,471.86, 36,528.44 and 15,861.22

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Solution

The fourth proportional to 26,471.86, 36,528.44 and 15,861.22 is: 21,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,471.86 : 36,528.44 = 15,861.22 : x
  2. Step 2: Convert to fraction form
    26,471.86/36,528.44 = 15,861.22/x
  3. Step 3: Cross multiply
    26,471.86x = 36,528.44 × 15,861.22
  4. Step 4: Simplify right side
    26,471.86x = 579,385,623.10
  5. Step 5: Solve for x
    x = 579,385,623.10/26,471.86
  6. Step 6: Final answer
    x = 21,886.85

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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.