Home / 25,538.79-38,242.53-15,648.06

Finding the Fourth Proportional to 25,538.79, 38,242.53 and 15,648.06

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Solution

The fourth proportional to 25,538.79, 38,242.53 and 15,648.06 is: 23,431.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,538.79 : 38,242.53 = 15,648.06 : x
  2. Step 2: Convert to fraction form
    25,538.79/38,242.53 = 15,648.06/x
  3. Step 3: Cross multiply
    25,538.79x = 38,242.53 × 15,648.06
  4. Step 4: Simplify right side
    25,538.79x = 598,421,403.99
  5. Step 5: Solve for x
    x = 598,421,403.99/25,538.79
  6. Step 6: Final answer
    x = 23,431.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.