Home / 26,686.56-36,826.96-14,750.40

Finding the Fourth Proportional to 26,686.56, 36,826.96 and 14,750.40

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Solution

The fourth proportional to 26,686.56, 36,826.96 and 14,750.40 is: 20,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,686.56 : 36,826.96 = 14,750.40 : x
  2. Step 2: Convert to fraction form
    26,686.56/36,826.96 = 14,750.40/x
  3. Step 3: Cross multiply
    26,686.56x = 36,826.96 × 14,750.40
  4. Step 4: Simplify right side
    26,686.56x = 543,212,390.78
  5. Step 5: Solve for x
    x = 543,212,390.78/26,686.56
  6. Step 6: Final answer
    x = 20,355.28

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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.