Home / 28,526.58-39,375.05-18,455.45

Finding the Fourth Proportional to 28,526.58, 39,375.05 and 18,455.45

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Solution

The fourth proportional to 28,526.58, 39,375.05 and 18,455.45 is: 25,473.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526.58 : 39,375.05 = 18,455.45 : x
  2. Step 2: Convert to fraction form
    28,526.58/39,375.05 = 18,455.45/x
  3. Step 3: Cross multiply
    28,526.58x = 39,375.05 × 18,455.45
  4. Step 4: Simplify right side
    28,526.58x = 726,683,977.37
  5. Step 5: Solve for x
    x = 726,683,977.37/28,526.58
  6. Step 6: Final answer
    x = 25,473.93

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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.