Home / 28,824.60-43,221.15-13,011.06

Finding the Fourth Proportional to 28,824.60, 43,221.15 and 13,011.06

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Solution

The fourth proportional to 28,824.60, 43,221.15 and 13,011.06 is: 19,509.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824.60 : 43,221.15 = 13,011.06 : x
  2. Step 2: Convert to fraction form
    28,824.60/43,221.15 = 13,011.06/x
  3. Step 3: Cross multiply
    28,824.60x = 43,221.15 × 13,011.06
  4. Step 4: Simplify right side
    28,824.60x = 562,352,975.92
  5. Step 5: Solve for x
    x = 562,352,975.92/28,824.60
  6. Step 6: Final answer
    x = 19,509.48

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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.