Home / 38,272.08-57,403.80-13,307.92

Finding the Fourth Proportional to 38,272.08, 57,403.80 and 13,307.92

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Solution

The fourth proportional to 38,272.08, 57,403.80 and 13,307.92 is: 19,960.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,272.08 : 57,403.80 = 13,307.92 : x
  2. Step 2: Convert to fraction form
    38,272.08/57,403.80 = 13,307.92/x
  3. Step 3: Cross multiply
    38,272.08x = 57,403.80 × 13,307.92
  4. Step 4: Simplify right side
    38,272.08x = 763,925,178.10
  5. Step 5: Solve for x
    x = 763,925,178.10/38,272.08
  6. Step 6: Final answer
    x = 19,960.38

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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.