Home / 26,688.24-36,826.56-15,931.14

Finding the Fourth Proportional to 26,688.24, 36,826.56 and 15,931.14

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Solution

The fourth proportional to 26,688.24, 36,826.56 and 15,931.14 is: 21,983.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,688.24 : 36,826.56 = 15,931.14 : x
  2. Step 2: Convert to fraction form
    26,688.24/36,826.56 = 15,931.14/x
  3. Step 3: Cross multiply
    26,688.24x = 36,826.56 × 15,931.14
  4. Step 4: Simplify right side
    26,688.24x = 586,689,083.08
  5. Step 5: Solve for x
    x = 586,689,083.08/26,688.24
  6. Step 6: Final answer
    x = 21,983.06

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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.