Home / 20,894.64-28,837.08-12,510.96

Finding the Fourth Proportional to 20,894.64, 28,837.08 and 12,510.96

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Solution

The fourth proportional to 20,894.64, 28,837.08 and 12,510.96 is: 17,266.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894.64 : 28,837.08 = 12,510.96 : x
  2. Step 2: Convert to fraction form
    20,894.64/28,837.08 = 12,510.96/x
  3. Step 3: Cross multiply
    20,894.64x = 28,837.08 × 12,510.96
  4. Step 4: Simplify right side
    20,894.64x = 360,779,554.40
  5. Step 5: Solve for x
    x = 360,779,554.40/20,894.64
  6. Step 6: Final answer
    x = 17,266.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.