Home / 26,173.90-36,129.36-15,563.50

Finding the Fourth Proportional to 26,173.90, 36,129.36 and 15,563.50

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Solution

The fourth proportional to 26,173.90, 36,129.36 and 15,563.50 is: 21,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,173.90 : 36,129.36 = 15,563.50 : x
  2. Step 2: Convert to fraction form
    26,173.90/36,129.36 = 15,563.50/x
  3. Step 3: Cross multiply
    26,173.90x = 36,129.36 × 15,563.50
  4. Step 4: Simplify right side
    26,173.90x = 562,299,294.36
  5. Step 5: Solve for x
    x = 562,299,294.36/26,173.90
  6. Step 6: Final answer
    x = 21,483.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.