Home / 28,688.22-39,601.03-18,075.88

Finding the Fourth Proportional to 28,688.22, 39,601.03 and 18,075.88

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Solution

The fourth proportional to 28,688.22, 39,601.03 and 18,075.88 is: 24,951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,688.22 : 39,601.03 = 18,075.88 : x
  2. Step 2: Convert to fraction form
    28,688.22/39,601.03 = 18,075.88/x
  3. Step 3: Cross multiply
    28,688.22x = 39,601.03 × 18,075.88
  4. Step 4: Simplify right side
    28,688.22x = 715,823,466.16
  5. Step 5: Solve for x
    x = 715,823,466.16/28,688.22
  6. Step 6: Final answer
    x = 24,951.83

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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.