Home / 38,887.88-58,332.72-13,929.62

Finding the Fourth Proportional to 38,887.88, 58,332.72 and 13,929.62

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Solution

The fourth proportional to 38,887.88, 58,332.72 and 13,929.62 is: 20,894.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,887.88 : 58,332.72 = 13,929.62 : x
  2. Step 2: Convert to fraction form
    38,887.88/58,332.72 = 13,929.62/x
  3. Step 3: Cross multiply
    38,887.88x = 58,332.72 × 13,929.62
  4. Step 4: Simplify right side
    38,887.88x = 812,552,623.17
  5. Step 5: Solve for x
    x = 812,552,623.17/38,887.88
  6. Step 6: Final answer
    x = 20,894.75

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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.