Home / 52,783.65-72,841.68-28,910.25

Finding the Fourth Proportional to 52,783.65, 72,841.68 and 28,910.25

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Solution

The fourth proportional to 52,783.65, 72,841.68 and 28,910.25 is: 39,896.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,783.65 : 72,841.68 = 28,910.25 : x
  2. Step 2: Convert to fraction form
    52,783.65/72,841.68 = 28,910.25/x
  3. Step 3: Cross multiply
    52,783.65x = 72,841.68 × 28,910.25
  4. Step 4: Simplify right side
    52,783.65x = 2,105,871,179.22
  5. Step 5: Solve for x
    x = 2,105,871,179.22/52,783.65
  6. Step 6: Final answer
    x = 39,896.28

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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.