Home / 28,265.44-39,013.40-16,335.72

Finding the Fourth Proportional to 28,265.44, 39,013.40 and 16,335.72

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Solution

The fourth proportional to 28,265.44, 39,013.40 and 16,335.72 is: 22,547.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265.44 : 39,013.40 = 16,335.72 : x
  2. Step 2: Convert to fraction form
    28,265.44/39,013.40 = 16,335.72/x
  3. Step 3: Cross multiply
    28,265.44x = 39,013.40 × 16,335.72
  4. Step 4: Simplify right side
    28,265.44x = 637,311,978.65
  5. Step 5: Solve for x
    x = 637,311,978.65/28,265.44
  6. Step 6: Final answer
    x = 22,547.39

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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.