Home / 28,491.23-42,692.70-21,463.67

Finding the Fourth Proportional to 28,491.23, 42,692.70 and 21,463.67

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Solution

The fourth proportional to 28,491.23, 42,692.70 and 21,463.67 is: 32,162.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,491.23 : 42,692.70 = 21,463.67 : x
  2. Step 2: Convert to fraction form
    28,491.23/42,692.70 = 21,463.67/x
  3. Step 3: Cross multiply
    28,491.23x = 42,692.70 × 21,463.67
  4. Step 4: Simplify right side
    28,491.23x = 916,342,024.21
  5. Step 5: Solve for x
    x = 916,342,024.21/28,491.23
  6. Step 6: Final answer
    x = 32,162.25

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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.