Home / 25,615.39-38,420.92-14,487.07

Finding the Fourth Proportional to 25,615.39, 38,420.92 and 14,487.07

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Solution

The fourth proportional to 25,615.39, 38,420.92 and 14,487.07 is: 21,729.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,615.39 : 38,420.92 = 14,487.07 : x
  2. Step 2: Convert to fraction form
    25,615.39/38,420.92 = 14,487.07/x
  3. Step 3: Cross multiply
    25,615.39x = 38,420.92 × 14,487.07
  4. Step 4: Simplify right side
    25,615.39x = 556,606,425.23
  5. Step 5: Solve for x
    x = 556,606,425.23/25,615.39
  6. Step 6: Final answer
    x = 21,729.38

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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.