Home / 26,420.93-36,461.18-15,091.92

Finding the Fourth Proportional to 26,420.93, 36,461.18 and 15,091.92

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Solution

The fourth proportional to 26,420.93, 36,461.18 and 15,091.92 is: 20,827.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420.93 : 36,461.18 = 15,091.92 : x
  2. Step 2: Convert to fraction form
    26,420.93/36,461.18 = 15,091.92/x
  3. Step 3: Cross multiply
    26,420.93x = 36,461.18 × 15,091.92
  4. Step 4: Simplify right side
    26,420.93x = 550,269,136.21
  5. Step 5: Solve for x
    x = 550,269,136.21/26,420.93
  6. Step 6: Final answer
    x = 20,827.02

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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.