Home / 28,246.06-42,317.45-13,225.62

Finding the Fourth Proportional to 28,246.06, 42,317.45 and 13,225.62

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Solution

The fourth proportional to 28,246.06, 42,317.45 and 13,225.62 is: 19,814.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.06 : 42,317.45 = 13,225.62 : x
  2. Step 2: Convert to fraction form
    28,246.06/42,317.45 = 13,225.62/x
  3. Step 3: Cross multiply
    28,246.06x = 42,317.45 × 13,225.62
  4. Step 4: Simplify right side
    28,246.06x = 559,674,446.94
  5. Step 5: Solve for x
    x = 559,674,446.94/28,246.06
  6. Step 6: Final answer
    x = 19,814.25

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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.