Home / 28,590.63-39,455.06-16,015.65

Finding the Fourth Proportional to 28,590.63, 39,455.06 and 16,015.65

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Solution

The fourth proportional to 28,590.63, 39,455.06 and 16,015.65 is: 22,101.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.63 : 39,455.06 = 16,015.65 : x
  2. Step 2: Convert to fraction form
    28,590.63/39,455.06 = 16,015.65/x
  3. Step 3: Cross multiply
    28,590.63x = 39,455.06 × 16,015.65
  4. Step 4: Simplify right side
    28,590.63x = 631,898,431.69
  5. Step 5: Solve for x
    x = 631,898,431.69/28,590.63
  6. Step 6: Final answer
    x = 22,101.59

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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.