Home / 28,237.68-38,968.38-15,492.06

Finding the Fourth Proportional to 28,237.68, 38,968.38 and 15,492.06

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Solution

The fourth proportional to 28,237.68, 38,968.38 and 15,492.06 is: 21,379.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237.68 : 38,968.38 = 15,492.06 : x
  2. Step 2: Convert to fraction form
    28,237.68/38,968.38 = 15,492.06/x
  3. Step 3: Cross multiply
    28,237.68x = 38,968.38 × 15,492.06
  4. Step 4: Simplify right side
    28,237.68x = 603,700,481.06
  5. Step 5: Solve for x
    x = 603,700,481.06/28,237.68
  6. Step 6: Final answer
    x = 21,379.25

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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.