Home / 15,027.90-20,678.72-14,571.36

Finding the Fourth Proportional to 15,027.90, 20,678.72 and 14,571.36

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Solution

The fourth proportional to 15,027.90, 20,678.72 and 14,571.36 is: 20,050.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.90 : 20,678.72 = 14,571.36 : x
  2. Step 2: Convert to fraction form
    15,027.90/20,678.72 = 14,571.36/x
  3. Step 3: Cross multiply
    15,027.90x = 20,678.72 × 14,571.36
  4. Step 4: Simplify right side
    15,027.90x = 301,317,000.60
  5. Step 5: Solve for x
    x = 301,317,000.60/15,027.90
  6. Step 6: Final answer
    x = 20,050.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.