Home / 26,265.06-39,328.74-20,975.76

Finding the Fourth Proportional to 26,265.06, 39,328.74 and 20,975.76

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Solution

The fourth proportional to 26,265.06, 39,328.74 and 20,975.76 is: 31,408.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,265.06 : 39,328.74 = 20,975.76 : x
  2. Step 2: Convert to fraction form
    26,265.06/39,328.74 = 20,975.76/x
  3. Step 3: Cross multiply
    26,265.06x = 39,328.74 × 20,975.76
  4. Step 4: Simplify right side
    26,265.06x = 824,950,211.34
  5. Step 5: Solve for x
    x = 824,950,211.34/26,265.06
  6. Step 6: Final answer
    x = 31,408.66

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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.