Home / 26,660.48-39,957.12-13,516.16

Finding the Fourth Proportional to 26,660.48, 39,957.12 and 13,516.16

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Solution

The fourth proportional to 26,660.48, 39,957.12 and 13,516.16 is: 20,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,660.48 : 39,957.12 = 13,516.16 : x
  2. Step 2: Convert to fraction form
    26,660.48/39,957.12 = 13,516.16/x
  3. Step 3: Cross multiply
    26,660.48x = 39,957.12 × 13,516.16
  4. Step 4: Simplify right side
    26,660.48x = 540,066,827.06
  5. Step 5: Solve for x
    x = 540,066,827.06/26,660.48
  6. Step 6: Final answer
    x = 20,257.21

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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.