Home / 17,875.13-26,812.88-5,395.25

Finding the Fourth Proportional to 17,875.13, 26,812.88 and 5,395.25

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Solution

The fourth proportional to 17,875.13, 26,812.88 and 5,395.25 is: 8,092.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,875.13 : 26,812.88 = 5,395.25 : x
  2. Step 2: Convert to fraction form
    17,875.13/26,812.88 = 5,395.25/x
  3. Step 3: Cross multiply
    17,875.13x = 26,812.88 × 5,395.25
  4. Step 4: Simplify right side
    17,875.13x = 144,662,029.78
  5. Step 5: Solve for x
    x = 144,662,029.78/17,875.13
  6. Step 6: Final answer
    x = 8,092.92

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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.