Home / 28,503.65-42,767.77-15,353.39

Finding the Fourth Proportional to 28,503.65, 42,767.77 and 15,353.39

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Solution

The fourth proportional to 28,503.65, 42,767.77 and 15,353.39 is: 23,036.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,503.65 : 42,767.77 = 15,353.39 : x
  2. Step 2: Convert to fraction form
    28,503.65/42,767.77 = 15,353.39/x
  3. Step 3: Cross multiply
    28,503.65x = 42,767.77 × 15,353.39
  4. Step 4: Simplify right side
    28,503.65x = 656,630,252.24
  5. Step 5: Solve for x
    x = 656,630,252.24/28,503.65
  6. Step 6: Final answer
    x = 23,036.71

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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.