Home / 28,152.08-42,228.06-13,352.91

Finding the Fourth Proportional to 28,152.08, 42,228.06 and 13,352.91

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Solution

The fourth proportional to 28,152.08, 42,228.06 and 13,352.91 is: 20,029.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,152.08 : 42,228.06 = 13,352.91 : x
  2. Step 2: Convert to fraction form
    28,152.08/42,228.06 = 13,352.91/x
  3. Step 3: Cross multiply
    28,152.08x = 42,228.06 × 13,352.91
  4. Step 4: Simplify right side
    28,152.08x = 563,867,484.65
  5. Step 5: Solve for x
    x = 563,867,484.65/28,152.08
  6. Step 6: Final answer
    x = 20,029.34

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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.