Home / 20,360.48-28,096.67-11,407.53

Finding the Fourth Proportional to 20,360.48, 28,096.67 and 11,407.53

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Solution

The fourth proportional to 20,360.48, 28,096.67 and 11,407.53 is: 15,741.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360.48 : 28,096.67 = 11,407.53 : x
  2. Step 2: Convert to fraction form
    20,360.48/28,096.67 = 11,407.53/x
  3. Step 3: Cross multiply
    20,360.48x = 28,096.67 × 11,407.53
  4. Step 4: Simplify right side
    20,360.48x = 320,513,605.93
  5. Step 5: Solve for x
    x = 320,513,605.93/20,360.48
  6. Step 6: Final answer
    x = 15,741.95

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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.