Home / 28,841.52-39,807.48-18,224.40

Finding the Fourth Proportional to 28,841.52, 39,807.48 and 18,224.40

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Solution

The fourth proportional to 28,841.52, 39,807.48 and 18,224.40 is: 25,153.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,841.52 : 39,807.48 = 18,224.40 : x
  2. Step 2: Convert to fraction form
    28,841.52/39,807.48 = 18,224.40/x
  3. Step 3: Cross multiply
    28,841.52x = 39,807.48 × 18,224.40
  4. Step 4: Simplify right side
    28,841.52x = 725,467,438.51
  5. Step 5: Solve for x
    x = 725,467,438.51/28,841.52
  6. Step 6: Final answer
    x = 25,153.58

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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.