Home / 38,613.84-57,925.53-13,648.74

Finding the Fourth Proportional to 38,613.84, 57,925.53 and 13,648.74

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Solution

The fourth proportional to 38,613.84, 57,925.53 and 13,648.74 is: 20,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,613.84 : 57,925.53 = 13,648.74 : x
  2. Step 2: Convert to fraction form
    38,613.84/57,925.53 = 13,648.74/x
  3. Step 3: Cross multiply
    38,613.84x = 57,925.53 × 13,648.74
  4. Step 4: Simplify right side
    38,613.84x = 790,610,498.33
  5. Step 5: Solve for x
    x = 790,610,498.33/38,613.84
  6. Step 6: Final answer
    x = 20,474.80

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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.