Home / 23,151.78-31,920.41-18,898.52

Finding the Fourth Proportional to 23,151.78, 31,920.41 and 18,898.52

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Solution

The fourth proportional to 23,151.78, 31,920.41 and 18,898.52 is: 26,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,151.78 : 31,920.41 = 18,898.52 : x
  2. Step 2: Convert to fraction form
    23,151.78/31,920.41 = 18,898.52/x
  3. Step 3: Cross multiply
    23,151.78x = 31,920.41 × 18,898.52
  4. Step 4: Simplify right side
    23,151.78x = 603,248,506.79
  5. Step 5: Solve for x
    x = 603,248,506.79/23,151.78
  6. Step 6: Final answer
    x = 26,056.25

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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.