Home / 21,526.09-32,290.50-5,730.86

Finding the Fourth Proportional to 21,526.09, 32,290.50 and 5,730.86

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Solution

The fourth proportional to 21,526.09, 32,290.50 and 5,730.86 is: 8,596.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526.09 : 32,290.50 = 5,730.86 : x
  2. Step 2: Convert to fraction form
    21,526.09/32,290.50 = 5,730.86/x
  3. Step 3: Cross multiply
    21,526.09x = 32,290.50 × 5,730.86
  4. Step 4: Simplify right side
    21,526.09x = 185,052,306.18
  5. Step 5: Solve for x
    x = 185,052,306.18/21,526.09
  6. Step 6: Final answer
    x = 8,596.65

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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.