Home / 28,357.93-42,493.78-13,546.45

Finding the Fourth Proportional to 28,357.93, 42,493.78 and 13,546.45

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Solution

The fourth proportional to 28,357.93, 42,493.78 and 13,546.45 is: 20,299.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,357.93 : 42,493.78 = 13,546.45 : x
  2. Step 2: Convert to fraction form
    28,357.93/42,493.78 = 13,546.45/x
  3. Step 3: Cross multiply
    28,357.93x = 42,493.78 × 13,546.45
  4. Step 4: Simplify right side
    28,357.93x = 575,639,866.08
  5. Step 5: Solve for x
    x = 575,639,866.08/28,357.93
  6. Step 6: Final answer
    x = 20,299.08

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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.