Home / 26,528.92-36,620.86-15,916.50

Finding the Fourth Proportional to 26,528.92, 36,620.86 and 15,916.50

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Solution

The fourth proportional to 26,528.92, 36,620.86 and 15,916.50 is: 21,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,528.92 : 36,620.86 = 15,916.50 : x
  2. Step 2: Convert to fraction form
    26,528.92/36,620.86 = 15,916.50/x
  3. Step 3: Cross multiply
    26,528.92x = 36,620.86 × 15,916.50
  4. Step 4: Simplify right side
    26,528.92x = 582,875,908.24
  5. Step 5: Solve for x
    x = 582,875,908.24/26,528.92
  6. Step 6: Final answer
    x = 21,971.34

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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.