Home / 16,038.60-24,041.70-7,279.80

Finding the Fourth Proportional to 16,038.60, 24,041.70 and 7,279.80

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Solution

The fourth proportional to 16,038.60, 24,041.70 and 7,279.80 is: 10,912.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,038.60 : 24,041.70 = 7,279.80 : x
  2. Step 2: Convert to fraction form
    16,038.60/24,041.70 = 7,279.80/x
  3. Step 3: Cross multiply
    16,038.60x = 24,041.70 × 7,279.80
  4. Step 4: Simplify right side
    16,038.60x = 175,018,767.66
  5. Step 5: Solve for x
    x = 175,018,767.66/16,038.60
  6. Step 6: Final answer
    x = 10,912.35

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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.