Home / 28,962.40-43,444.42-10,239.80

Finding the Fourth Proportional to 28,962.40, 43,444.42 and 10,239.80

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Solution

The fourth proportional to 28,962.40, 43,444.42 and 10,239.80 is: 15,359.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,962.40 : 43,444.42 = 10,239.80 : x
  2. Step 2: Convert to fraction form
    28,962.40/43,444.42 = 10,239.80/x
  3. Step 3: Cross multiply
    28,962.40x = 43,444.42 × 10,239.80
  4. Step 4: Simplify right side
    28,962.40x = 444,862,171.92
  5. Step 5: Solve for x
    x = 444,862,171.92/28,962.40
  6. Step 6: Final answer
    x = 15,359.99

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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.