Home / 28,586.48-39,449.40-16,011.44

Finding the Fourth Proportional to 28,586.48, 39,449.40 and 16,011.44

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Solution

The fourth proportional to 28,586.48, 39,449.40 and 16,011.44 is: 22,095.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.48 : 39,449.40 = 16,011.44 : x
  2. Step 2: Convert to fraction form
    28,586.48/39,449.40 = 16,011.44/x
  3. Step 3: Cross multiply
    28,586.48x = 39,449.40 × 16,011.44
  4. Step 4: Simplify right side
    28,586.48x = 631,641,701.14
  5. Step 5: Solve for x
    x = 631,641,701.14/28,586.48
  6. Step 6: Final answer
    x = 22,095.82

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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.