Home / 25,420.50-38,123.06-7,646.45

Finding the Fourth Proportional to 25,420.50, 38,123.06 and 7,646.45

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Solution

The fourth proportional to 25,420.50, 38,123.06 and 7,646.45 is: 11,467.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,420.50 : 38,123.06 = 7,646.45 : x
  2. Step 2: Convert to fraction form
    25,420.50/38,123.06 = 7,646.45/x
  3. Step 3: Cross multiply
    25,420.50x = 38,123.06 × 7,646.45
  4. Step 4: Simplify right side
    25,420.50x = 291,505,843.29
  5. Step 5: Solve for x
    x = 291,505,843.29/25,420.50
  6. Step 6: Final answer
    x = 11,467.35

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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.