Home / 28,575.80-42,830.58-16,898.84

Finding the Fourth Proportional to 28,575.80, 42,830.58 and 16,898.84

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Solution

The fourth proportional to 28,575.80, 42,830.58 and 16,898.84 is: 25,328.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,575.80 : 42,830.58 = 16,898.84 : x
  2. Step 2: Convert to fraction form
    28,575.80/42,830.58 = 16,898.84/x
  3. Step 3: Cross multiply
    28,575.80x = 42,830.58 × 16,898.84
  4. Step 4: Simplify right side
    28,575.80x = 723,787,118.53
  5. Step 5: Solve for x
    x = 723,787,118.53/28,575.80
  6. Step 6: Final answer
    x = 25,328.67

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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.