Home / 15,590.40-23,371.56-5,722.98

Finding the Fourth Proportional to 15,590.40, 23,371.56 and 5,722.98

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Solution

The fourth proportional to 15,590.40, 23,371.56 and 5,722.98 is: 8,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,590.40 : 23,371.56 = 5,722.98 : x
  2. Step 2: Convert to fraction form
    15,590.40/23,371.56 = 5,722.98/x
  3. Step 3: Cross multiply
    15,590.40x = 23,371.56 × 5,722.98
  4. Step 4: Simplify right side
    15,590.40x = 133,754,970.45
  5. Step 5: Solve for x
    x = 133,754,970.45/15,590.40
  6. Step 6: Final answer
    x = 8,579.32

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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.