Home / 28,215.00-42,317.08-14,171.27

Finding the Fourth Proportional to 28,215.00, 42,317.08 and 14,171.27

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Solution

The fourth proportional to 28,215.00, 42,317.08 and 14,171.27 is: 21,254.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,215.00 : 42,317.08 = 14,171.27 : x
  2. Step 2: Convert to fraction form
    28,215.00/42,317.08 = 14,171.27/x
  3. Step 3: Cross multiply
    28,215.00x = 42,317.08 × 14,171.27
  4. Step 4: Simplify right side
    28,215.00x = 599,686,658.50
  5. Step 5: Solve for x
    x = 599,686,658.50/28,215.00
  6. Step 6: Final answer
    x = 21,254.18

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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.