Home / 28,762.04-39,690.72-16,014.80

Finding the Fourth Proportional to 28,762.04, 39,690.72 and 16,014.80

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Solution

The fourth proportional to 28,762.04, 39,690.72 and 16,014.80 is: 22,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762.04 : 39,690.72 = 16,014.80 : x
  2. Step 2: Convert to fraction form
    28,762.04/39,690.72 = 16,014.80/x
  3. Step 3: Cross multiply
    28,762.04x = 39,690.72 × 16,014.80
  4. Step 4: Simplify right side
    28,762.04x = 635,638,942.66
  5. Step 5: Solve for x
    x = 635,638,942.66/28,762.04
  6. Step 6: Final answer
    x = 22,099.93

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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.