Home / 28,670.51-42,994.82-13,674.98

Finding the Fourth Proportional to 28,670.51, 42,994.82 and 13,674.98

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Solution

The fourth proportional to 28,670.51, 42,994.82 and 13,674.98 is: 20,507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,670.51 : 42,994.82 = 13,674.98 : x
  2. Step 2: Convert to fraction form
    28,670.51/42,994.82 = 13,674.98/x
  3. Step 3: Cross multiply
    28,670.51x = 42,994.82 × 13,674.98
  4. Step 4: Simplify right side
    28,670.51x = 587,953,020.25
  5. Step 5: Solve for x
    x = 587,953,020.25/28,670.51
  6. Step 6: Final answer
    x = 20,507.24

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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.