Home / 25,242.26-34,801.96-20,688.16

Finding the Fourth Proportional to 25,242.26, 34,801.96 and 20,688.16

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Solution

The fourth proportional to 25,242.26, 34,801.96 and 20,688.16 is: 28,523.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,242.26 : 34,801.96 = 20,688.16 : x
  2. Step 2: Convert to fraction form
    25,242.26/34,801.96 = 20,688.16/x
  3. Step 3: Cross multiply
    25,242.26x = 34,801.96 × 20,688.16
  4. Step 4: Simplify right side
    25,242.26x = 719,988,516.79
  5. Step 5: Solve for x
    x = 719,988,516.79/25,242.26
  6. Step 6: Final answer
    x = 28,523.14

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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.