Home / 28,586.21-39,462.69-20,095.61

Finding the Fourth Proportional to 28,586.21, 39,462.69 and 20,095.61

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Solution

The fourth proportional to 28,586.21, 39,462.69 and 20,095.61 is: 27,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.21 : 39,462.69 = 20,095.61 : x
  2. Step 2: Convert to fraction form
    28,586.21/39,462.69 = 20,095.61/x
  3. Step 3: Cross multiply
    28,586.21x = 39,462.69 × 20,095.61
  4. Step 4: Simplify right side
    28,586.21x = 793,026,727.31
  5. Step 5: Solve for x
    x = 793,026,727.31/28,586.21
  6. Step 6: Final answer
    x = 27,741.58

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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.