Home / 28,002.40-41,989.01-13,207.35

Finding the Fourth Proportional to 28,002.40, 41,989.01 and 13,207.35

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Solution

The fourth proportional to 28,002.40, 41,989.01 and 13,207.35 is: 19,804.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002.40 : 41,989.01 = 13,207.35 : x
  2. Step 2: Convert to fraction form
    28,002.40/41,989.01 = 13,207.35/x
  3. Step 3: Cross multiply
    28,002.40x = 41,989.01 × 13,207.35
  4. Step 4: Simplify right side
    28,002.40x = 554,563,551.22
  5. Step 5: Solve for x
    x = 554,563,551.22/28,002.40
  6. Step 6: Final answer
    x = 19,804.14

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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.