Home / 28,459.80-42,711.48-18,596.34

Finding the Fourth Proportional to 28,459.80, 42,711.48 and 18,596.34

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Solution

The fourth proportional to 28,459.80, 42,711.48 and 18,596.34 is: 27,908.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,459.80 : 42,711.48 = 18,596.34 : x
  2. Step 2: Convert to fraction form
    28,459.80/42,711.48 = 18,596.34/x
  3. Step 3: Cross multiply
    28,459.80x = 42,711.48 × 18,596.34
  4. Step 4: Simplify right side
    28,459.80x = 794,277,203.98
  5. Step 5: Solve for x
    x = 794,277,203.98/28,459.80
  6. Step 6: Final answer
    x = 27,908.74

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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.