Home / 51,528.12-71,092.67-28,864.05

Finding the Fourth Proportional to 51,528.12, 71,092.67 and 28,864.05

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Solution

The fourth proportional to 51,528.12, 71,092.67 and 28,864.05 is: 39,823.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,528.12 : 71,092.67 = 28,864.05 : x
  2. Step 2: Convert to fraction form
    51,528.12/71,092.67 = 28,864.05/x
  3. Step 3: Cross multiply
    51,528.12x = 71,092.67 × 28,864.05
  4. Step 4: Simplify right side
    51,528.12x = 2,052,022,237.19
  5. Step 5: Solve for x
    x = 2,052,022,237.19/51,528.12
  6. Step 6: Final answer
    x = 39,823.35

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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.