Home / 30,029.04-45,027.36-15,228.72

Finding the Fourth Proportional to 30,029.04, 45,027.36 and 15,228.72

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Solution

The fourth proportional to 30,029.04, 45,027.36 and 15,228.72 is: 22,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,029.04 : 45,027.36 = 15,228.72 : x
  2. Step 2: Convert to fraction form
    30,029.04/45,027.36 = 15,228.72/x
  3. Step 3: Cross multiply
    30,029.04x = 45,027.36 × 15,228.72
  4. Step 4: Simplify right side
    30,029.04x = 685,709,057.78
  5. Step 5: Solve for x
    x = 685,709,057.78/30,029.04
  6. Step 6: Final answer
    x = 22,834.86

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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.