Home / 20,925.61-31,532.36-17,309.23

Finding the Fourth Proportional to 20,925.61, 31,532.36 and 17,309.23

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Solution

The fourth proportional to 20,925.61, 31,532.36 and 17,309.23 is: 26,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,925.61 : 31,532.36 = 17,309.23 : x
  2. Step 2: Convert to fraction form
    20,925.61/31,532.36 = 17,309.23/x
  3. Step 3: Cross multiply
    20,925.61x = 31,532.36 × 17,309.23
  4. Step 4: Simplify right side
    20,925.61x = 545,800,871.68
  5. Step 5: Solve for x
    x = 545,800,871.68/20,925.61
  6. Step 6: Final answer
    x = 26,082.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.