Home / 28,479.42-39,294.88-16,535.67

Finding the Fourth Proportional to 28,479.42, 39,294.88 and 16,535.67

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Solution

The fourth proportional to 28,479.42, 39,294.88 and 16,535.67 is: 22,815.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,479.42 : 39,294.88 = 16,535.67 : x
  2. Step 2: Convert to fraction form
    28,479.42/39,294.88 = 16,535.67/x
  3. Step 3: Cross multiply
    28,479.42x = 39,294.88 × 16,535.67
  4. Step 4: Simplify right side
    28,479.42x = 649,767,168.37
  5. Step 5: Solve for x
    x = 649,767,168.37/28,479.42
  6. Step 6: Final answer
    x = 22,815.32

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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.