Home / 25,920.48-38,953.85-15,392.33

Finding the Fourth Proportional to 25,920.48, 38,953.85 and 15,392.33

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Solution

The fourth proportional to 25,920.48, 38,953.85 and 15,392.33 is: 23,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920.48 : 38,953.85 = 15,392.33 : x
  2. Step 2: Convert to fraction form
    25,920.48/38,953.85 = 15,392.33/x
  3. Step 3: Cross multiply
    25,920.48x = 38,953.85 × 15,392.33
  4. Step 4: Simplify right side
    25,920.48x = 599,590,242.24
  5. Step 5: Solve for x
    x = 599,590,242.24/25,920.48
  6. Step 6: Final answer
    x = 23,131.91

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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.