Home / 26,415.39-36,453.03-14,478.71

Finding the Fourth Proportional to 26,415.39, 36,453.03 and 14,478.71

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Solution

The fourth proportional to 26,415.39, 36,453.03 and 14,478.71 is: 19,980.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,415.39 : 36,453.03 = 14,478.71 : x
  2. Step 2: Convert to fraction form
    26,415.39/36,453.03 = 14,478.71/x
  3. Step 3: Cross multiply
    26,415.39x = 36,453.03 × 14,478.71
  4. Step 4: Simplify right side
    26,415.39x = 527,792,667.73
  5. Step 5: Solve for x
    x = 527,792,667.73/26,415.39
  6. Step 6: Final answer
    x = 19,980.50

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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.