Home / 25,315.40-38,004.30-15,955.40

Finding the Fourth Proportional to 25,315.40, 38,004.30 and 15,955.40

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Solution

The fourth proportional to 25,315.40, 38,004.30 and 15,955.40 is: 23,952.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315.40 : 38,004.30 = 15,955.40 : x
  2. Step 2: Convert to fraction form
    25,315.40/38,004.30 = 15,955.40/x
  3. Step 3: Cross multiply
    25,315.40x = 38,004.30 × 15,955.40
  4. Step 4: Simplify right side
    25,315.40x = 606,373,808.22
  5. Step 5: Solve for x
    x = 606,373,808.22/25,315.40
  6. Step 6: Final answer
    x = 23,952.76

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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.