Home / 52,256.88-78,391.80-17,208.72

Finding the Fourth Proportional to 52,256.88, 78,391.80 and 17,208.72

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Solution

The fourth proportional to 52,256.88, 78,391.80 and 17,208.72 is: 25,815.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,256.88 : 78,391.80 = 17,208.72 : x
  2. Step 2: Convert to fraction form
    52,256.88/78,391.80 = 17,208.72/x
  3. Step 3: Cross multiply
    52,256.88x = 78,391.80 × 17,208.72
  4. Step 4: Simplify right side
    52,256.88x = 1,349,022,536.50
  5. Step 5: Solve for x
    x = 1,349,022,536.50/52,256.88
  6. Step 6: Final answer
    x = 25,815.21

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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.