Home / 28,587.74-39,450.97-16,012.49

Finding the Fourth Proportional to 28,587.74, 39,450.97 and 16,012.49

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Solution

The fourth proportional to 28,587.74, 39,450.97 and 16,012.49 is: 22,097.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587.74 : 39,450.97 = 16,012.49 : x
  2. Step 2: Convert to fraction form
    28,587.74/39,450.97 = 16,012.49/x
  3. Step 3: Cross multiply
    28,587.74x = 39,450.97 × 16,012.49
  4. Step 4: Simplify right side
    28,587.74x = 631,708,130.41
  5. Step 5: Solve for x
    x = 631,708,130.41/28,587.74
  6. Step 6: Final answer
    x = 22,097.17

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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.