Home / 26,378.64-39,529.08-14,688.72

Finding the Fourth Proportional to 26,378.64, 39,529.08 and 14,688.72

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Solution

The fourth proportional to 26,378.64, 39,529.08 and 14,688.72 is: 22,011.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.64 : 39,529.08 = 14,688.72 : x
  2. Step 2: Convert to fraction form
    26,378.64/39,529.08 = 14,688.72/x
  3. Step 3: Cross multiply
    26,378.64x = 39,529.08 × 14,688.72
  4. Step 4: Simplify right side
    26,378.64x = 580,631,587.98
  5. Step 5: Solve for x
    x = 580,631,587.98/26,378.64
  6. Step 6: Final answer
    x = 22,011.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.