Home / 28,852.81-39,815.34-16,276.75

Finding the Fourth Proportional to 28,852.81, 39,815.34 and 16,276.75

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Solution

The fourth proportional to 28,852.81, 39,815.34 and 16,276.75 is: 22,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852.81 : 39,815.34 = 16,276.75 : x
  2. Step 2: Convert to fraction form
    28,852.81/39,815.34 = 16,276.75/x
  3. Step 3: Cross multiply
    28,852.81x = 39,815.34 × 16,276.75
  4. Step 4: Simplify right side
    28,852.81x = 648,064,335.35
  5. Step 5: Solve for x
    x = 648,064,335.35/28,852.81
  6. Step 6: Final answer
    x = 22,461.05

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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.