Home / 28,050.60-42,051.42-10,515.72

Finding the Fourth Proportional to 28,050.60, 42,051.42 and 10,515.72

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Solution

The fourth proportional to 28,050.60, 42,051.42 and 10,515.72 is: 15,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.60 : 42,051.42 = 10,515.72 : x
  2. Step 2: Convert to fraction form
    28,050.60/42,051.42 = 10,515.72/x
  3. Step 3: Cross multiply
    28,050.60x = 42,051.42 × 10,515.72
  4. Step 4: Simplify right side
    28,050.60x = 442,200,958.32
  5. Step 5: Solve for x
    x = 442,200,958.32/28,050.60
  6. Step 6: Final answer
    x = 15,764.40

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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.