Home / 28,262.98-42,395.37-14,215.34

Finding the Fourth Proportional to 28,262.98, 42,395.37 and 14,215.34

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Solution

The fourth proportional to 28,262.98, 42,395.37 and 14,215.34 is: 21,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262.98 : 42,395.37 = 14,215.34 : x
  2. Step 2: Convert to fraction form
    28,262.98/42,395.37 = 14,215.34/x
  3. Step 3: Cross multiply
    28,262.98x = 42,395.37 × 14,215.34
  4. Step 4: Simplify right side
    28,262.98x = 602,664,704.96
  5. Step 5: Solve for x
    x = 602,664,704.96/28,262.98
  6. Step 6: Final answer
    x = 21,323.47

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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.