Home / 28,105.35-42,145.67-14,954.59

Finding the Fourth Proportional to 28,105.35, 42,145.67 and 14,954.59

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Solution

The fourth proportional to 28,105.35, 42,145.67 and 14,954.59 is: 22,425.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,105.35 : 42,145.67 = 14,954.59 : x
  2. Step 2: Convert to fraction form
    28,105.35/42,145.67 = 14,954.59/x
  3. Step 3: Cross multiply
    28,105.35x = 42,145.67 × 14,954.59
  4. Step 4: Simplify right side
    28,105.35x = 630,271,221.07
  5. Step 5: Solve for x
    x = 630,271,221.07/28,105.35
  6. Step 6: Final answer
    x = 22,425.31

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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.