Home / 25,132.50-37,638.41-20,999.07

Finding the Fourth Proportional to 25,132.50, 37,638.41 and 20,999.07

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Solution

The fourth proportional to 25,132.50, 37,638.41 and 20,999.07 is: 31,448.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,132.50 : 37,638.41 = 20,999.07 : x
  2. Step 2: Convert to fraction form
    25,132.50/37,638.41 = 20,999.07/x
  3. Step 3: Cross multiply
    25,132.50x = 37,638.41 × 20,999.07
  4. Step 4: Simplify right side
    25,132.50x = 790,371,501.28
  5. Step 5: Solve for x
    x = 790,371,501.28/25,132.50
  6. Step 6: Final answer
    x = 31,448.18

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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.