Home / 25,955.14-35,820.75-15,890.23

Finding the Fourth Proportional to 25,955.14, 35,820.75 and 15,890.23

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Solution

The fourth proportional to 25,955.14, 35,820.75 and 15,890.23 is: 21,930.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,955.14 : 35,820.75 = 15,890.23 : x
  2. Step 2: Convert to fraction form
    25,955.14/35,820.75 = 15,890.23/x
  3. Step 3: Cross multiply
    25,955.14x = 35,820.75 × 15,890.23
  4. Step 4: Simplify right side
    25,955.14x = 569,199,956.27
  5. Step 5: Solve for x
    x = 569,199,956.27/25,955.14
  6. Step 6: Final answer
    x = 21,930.14

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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.