Home / 28,590.72-39,451.50-16,015.47

Finding the Fourth Proportional to 28,590.72, 39,451.50 and 16,015.47

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Solution

The fourth proportional to 28,590.72, 39,451.50 and 16,015.47 is: 22,099.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.72 : 39,451.50 = 16,015.47 : x
  2. Step 2: Convert to fraction form
    28,590.72/39,451.50 = 16,015.47/x
  3. Step 3: Cross multiply
    28,590.72x = 39,451.50 × 16,015.47
  4. Step 4: Simplify right side
    28,590.72x = 631,834,314.71
  5. Step 5: Solve for x
    x = 631,834,314.71/28,590.72
  6. Step 6: Final answer
    x = 22,099.28

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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.