Home / 25,503.36-38,312.64-15,121.92

Finding the Fourth Proportional to 25,503.36, 38,312.64 and 15,121.92

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Solution

The fourth proportional to 25,503.36, 38,312.64 and 15,121.92 is: 22,717.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,503.36 : 38,312.64 = 15,121.92 : x
  2. Step 2: Convert to fraction form
    25,503.36/38,312.64 = 15,121.92/x
  3. Step 3: Cross multiply
    25,503.36x = 38,312.64 × 15,121.92
  4. Step 4: Simplify right side
    25,503.36x = 579,360,677.07
  5. Step 5: Solve for x
    x = 579,360,677.07/25,503.36
  6. Step 6: Final answer
    x = 22,717.03

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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.