Home / 52,889.29-72,986.79-28,690.18

Finding the Fourth Proportional to 52,889.29, 72,986.79 and 28,690.18

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Solution

The fourth proportional to 52,889.29, 72,986.79 and 28,690.18 is: 39,592.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,889.29 : 72,986.79 = 28,690.18 : x
  2. Step 2: Convert to fraction form
    52,889.29/72,986.79 = 28,690.18/x
  3. Step 3: Cross multiply
    52,889.29x = 72,986.79 × 28,690.18
  4. Step 4: Simplify right side
    52,889.29x = 2,094,004,317.01
  5. Step 5: Solve for x
    x = 2,094,004,317.01/52,889.29
  6. Step 6: Final answer
    x = 39,592.22

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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.