Home / 38,013.70-57,004.14-14,623.78

Finding the Fourth Proportional to 38,013.70, 57,004.14 and 14,623.78

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Solution

The fourth proportional to 38,013.70, 57,004.14 and 14,623.78 is: 21,929.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013.70 : 57,004.14 = 14,623.78 : x
  2. Step 2: Convert to fraction form
    38,013.70/57,004.14 = 14,623.78/x
  3. Step 3: Cross multiply
    38,013.70x = 57,004.14 × 14,623.78
  4. Step 4: Simplify right side
    38,013.70x = 833,616,002.45
  5. Step 5: Solve for x
    x = 833,616,002.45/38,013.70
  6. Step 6: Final answer
    x = 21,929.36

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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.