Home / 26,021.96-35,910.98-15,407.72

Finding the Fourth Proportional to 26,021.96, 35,910.98 and 15,407.72

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Solution

The fourth proportional to 26,021.96, 35,910.98 and 15,407.72 is: 21,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,021.96 : 35,910.98 = 15,407.72 : x
  2. Step 2: Convert to fraction form
    26,021.96/35,910.98 = 15,407.72/x
  3. Step 3: Cross multiply
    26,021.96x = 35,910.98 × 15,407.72
  4. Step 4: Simplify right side
    26,021.96x = 553,306,324.77
  5. Step 5: Solve for x
    x = 553,306,324.77/26,021.96
  6. Step 6: Final answer
    x = 21,263.05

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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.