Home / 28,017.64-41,966.16-13,204.36

Finding the Fourth Proportional to 28,017.64, 41,966.16 and 13,204.36

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Solution

The fourth proportional to 28,017.64, 41,966.16 and 13,204.36 is: 19,778.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,017.64 : 41,966.16 = 13,204.36 : x
  2. Step 2: Convert to fraction form
    28,017.64/41,966.16 = 13,204.36/x
  3. Step 3: Cross multiply
    28,017.64x = 41,966.16 × 13,204.36
  4. Step 4: Simplify right side
    28,017.64x = 554,136,284.46
  5. Step 5: Solve for x
    x = 554,136,284.46/28,017.64
  6. Step 6: Final answer
    x = 19,778.12

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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.