Home / 28,226.30-42,308.98-12,417.26

Finding the Fourth Proportional to 28,226.30, 42,308.98 and 12,417.26

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Solution

The fourth proportional to 28,226.30, 42,308.98 and 12,417.26 is: 18,612.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,226.30 : 42,308.98 = 12,417.26 : x
  2. Step 2: Convert to fraction form
    28,226.30/42,308.98 = 12,417.26/x
  3. Step 3: Cross multiply
    28,226.30x = 42,308.98 × 12,417.26
  4. Step 4: Simplify right side
    28,226.30x = 525,361,362.41
  5. Step 5: Solve for x
    x = 525,361,362.41/28,226.30
  6. Step 6: Final answer
    x = 18,612.48

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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.