Home / 28,050.22-38,709.09-15,303.22

Finding the Fourth Proportional to 28,050.22, 38,709.09 and 15,303.22

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Solution

The fourth proportional to 28,050.22, 38,709.09 and 15,303.22 is: 21,118.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.22 : 38,709.09 = 15,303.22 : x
  2. Step 2: Convert to fraction form
    28,050.22/38,709.09 = 15,303.22/x
  3. Step 3: Cross multiply
    28,050.22x = 38,709.09 × 15,303.22
  4. Step 4: Simplify right side
    28,050.22x = 592,373,720.27
  5. Step 5: Solve for x
    x = 592,373,720.27/28,050.22
  6. Step 6: Final answer
    x = 21,118.33

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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.