Home / 25,748.96-35,518.72-15,136.64

Finding the Fourth Proportional to 25,748.96, 35,518.72 and 15,136.64

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Solution

The fourth proportional to 25,748.96, 35,518.72 and 15,136.64 is: 20,879.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,748.96 : 35,518.72 = 15,136.64 : x
  2. Step 2: Convert to fraction form
    25,748.96/35,518.72 = 15,136.64/x
  3. Step 3: Cross multiply
    25,748.96x = 35,518.72 × 15,136.64
  4. Step 4: Simplify right side
    25,748.96x = 537,634,077.90
  5. Step 5: Solve for x
    x = 537,634,077.90/25,748.96
  6. Step 6: Final answer
    x = 20,879.84

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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.