Home / 28,690.48-39,595.96-17,366.20

Finding the Fourth Proportional to 28,690.48, 39,595.96 and 17,366.20

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Solution

The fourth proportional to 28,690.48, 39,595.96 and 17,366.20 is: 23,967.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,690.48 : 39,595.96 = 17,366.20 : x
  2. Step 2: Convert to fraction form
    28,690.48/39,595.96 = 17,366.20/x
  3. Step 3: Cross multiply
    28,690.48x = 39,595.96 × 17,366.20
  4. Step 4: Simplify right side
    28,690.48x = 687,631,360.55
  5. Step 5: Solve for x
    x = 687,631,360.55/28,690.48
  6. Step 6: Final answer
    x = 23,967.23

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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.