Home / 26,649.70-39,976.67-15,557.51

Finding the Fourth Proportional to 26,649.70, 39,976.67 and 15,557.51

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Solution

The fourth proportional to 26,649.70, 39,976.67 and 15,557.51 is: 23,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,649.70 : 39,976.67 = 15,557.51 : x
  2. Step 2: Convert to fraction form
    26,649.70/39,976.67 = 15,557.51/x
  3. Step 3: Cross multiply
    26,649.70x = 39,976.67 × 15,557.51
  4. Step 4: Simplify right side
    26,649.70x = 621,937,443.29
  5. Step 5: Solve for x
    x = 621,937,443.29/26,649.70
  6. Step 6: Final answer
    x = 23,337.50

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1.5x scale

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.