Home / 21,527.52-32,290.40-7,490.76

Finding the Fourth Proportional to 21,527.52, 32,290.40 and 7,490.76

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Solution

The fourth proportional to 21,527.52, 32,290.40 and 7,490.76 is: 11,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,527.52 : 32,290.40 = 7,490.76 : x
  2. Step 2: Convert to fraction form
    21,527.52/32,290.40 = 7,490.76/x
  3. Step 3: Cross multiply
    21,527.52x = 32,290.40 × 7,490.76
  4. Step 4: Simplify right side
    21,527.52x = 241,879,599.25
  5. Step 5: Solve for x
    x = 241,879,599.25/21,527.52
  6. Step 6: Final answer
    x = 11,235.83

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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.