Home / 28,527.19-42,790.88-7,750.69

Finding the Fourth Proportional to 28,527.19, 42,790.88 and 7,750.69

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Solution

The fourth proportional to 28,527.19, 42,790.88 and 7,750.69 is: 11,626.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527.19 : 42,790.88 = 7,750.69 : x
  2. Step 2: Convert to fraction form
    28,527.19/42,790.88 = 7,750.69/x
  3. Step 3: Cross multiply
    28,527.19x = 42,790.88 × 7,750.69
  4. Step 4: Simplify right side
    28,527.19x = 331,658,758.11
  5. Step 5: Solve for x
    x = 331,658,758.11/28,527.19
  6. Step 6: Final answer
    x = 11,626.06

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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.