Home / 18,087.90-27,154.95-17,901.60

Finding the Fourth Proportional to 18,087.90, 27,154.95 and 17,901.60

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Solution

The fourth proportional to 18,087.90, 27,154.95 and 17,901.60 is: 26,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.90 : 27,154.95 = 17,901.60 : x
  2. Step 2: Convert to fraction form
    18,087.90/27,154.95 = 17,901.60/x
  3. Step 3: Cross multiply
    18,087.90x = 27,154.95 × 17,901.60
  4. Step 4: Simplify right side
    18,087.90x = 486,117,052.92
  5. Step 5: Solve for x
    x = 486,117,052.92/18,087.90
  6. Step 6: Final answer
    x = 26,875.26

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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.