Home / 25,701.71-35,479.26-15,633.36

Finding the Fourth Proportional to 25,701.71, 35,479.26 and 15,633.36

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Solution

The fourth proportional to 25,701.71, 35,479.26 and 15,633.36 is: 21,580.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,701.71 : 35,479.26 = 15,633.36 : x
  2. Step 2: Convert to fraction form
    25,701.71/35,479.26 = 15,633.36/x
  3. Step 3: Cross multiply
    25,701.71x = 35,479.26 × 15,633.36
  4. Step 4: Simplify right side
    25,701.71x = 554,660,044.11
  5. Step 5: Solve for x
    x = 554,660,044.11/25,701.71
  6. Step 6: Final answer
    x = 21,580.67

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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.