Home / 26,638.67-36,762.59-15,311.84

Finding the Fourth Proportional to 26,638.67, 36,762.59 and 15,311.84

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Solution

The fourth proportional to 26,638.67, 36,762.59 and 15,311.84 is: 21,131.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.67 : 36,762.59 = 15,311.84 : x
  2. Step 2: Convert to fraction form
    26,638.67/36,762.59 = 15,311.84/x
  3. Step 3: Cross multiply
    26,638.67x = 36,762.59 × 15,311.84
  4. Step 4: Simplify right side
    26,638.67x = 562,902,750.53
  5. Step 5: Solve for x
    x = 562,902,750.53/26,638.67
  6. Step 6: Final answer
    x = 21,131.04

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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.