Home / 28,495.23-42,698.70-21,467.67

Finding the Fourth Proportional to 28,495.23, 42,698.70 and 21,467.67

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Solution

The fourth proportional to 28,495.23, 42,698.70 and 21,467.67 is: 32,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,495.23 : 42,698.70 = 21,467.67 : x
  2. Step 2: Convert to fraction form
    28,495.23/42,698.70 = 21,467.67/x
  3. Step 3: Cross multiply
    28,495.23x = 42,698.70 × 21,467.67
  4. Step 4: Simplify right side
    28,495.23x = 916,641,601.03
  5. Step 5: Solve for x
    x = 916,641,601.03/28,495.23
  6. Step 6: Final answer
    x = 32,168.25

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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.