Home / 28,395.96-42,565.14-13,583.16

Finding the Fourth Proportional to 28,395.96, 42,565.14 and 13,583.16

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Solution

The fourth proportional to 28,395.96, 42,565.14 and 13,583.16 is: 20,360.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395.96 : 42,565.14 = 13,583.16 : x
  2. Step 2: Convert to fraction form
    28,395.96/42,565.14 = 13,583.16/x
  3. Step 3: Cross multiply
    28,395.96x = 42,565.14 × 13,583.16
  4. Step 4: Simplify right side
    28,395.96x = 578,169,107.04
  5. Step 5: Solve for x
    x = 578,169,107.04/28,395.96
  6. Step 6: Final answer
    x = 20,360.96

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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.