Home / 28,647.42-39,533.86-15,901.42

Finding the Fourth Proportional to 28,647.42, 39,533.86 and 15,901.42

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Solution

The fourth proportional to 28,647.42, 39,533.86 and 15,901.42 is: 21,944.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,647.42 : 39,533.86 = 15,901.42 : x
  2. Step 2: Convert to fraction form
    28,647.42/39,533.86 = 15,901.42/x
  3. Step 3: Cross multiply
    28,647.42x = 39,533.86 × 15,901.42
  4. Step 4: Simplify right side
    28,647.42x = 628,644,417.80
  5. Step 5: Solve for x
    x = 628,644,417.80/28,647.42
  6. Step 6: Final answer
    x = 21,944.19

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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.