Home / 26,430.96-39,662.16-10,637.44

Finding the Fourth Proportional to 26,430.96, 39,662.16 and 10,637.44

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Solution

The fourth proportional to 26,430.96, 39,662.16 and 10,637.44 is: 15,962.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,430.96 : 39,662.16 = 10,637.44 : x
  2. Step 2: Convert to fraction form
    26,430.96/39,662.16 = 10,637.44/x
  3. Step 3: Cross multiply
    26,430.96x = 39,662.16 × 10,637.44
  4. Step 4: Simplify right side
    26,430.96x = 421,903,847.27
  5. Step 5: Solve for x
    x = 421,903,847.27/26,430.96
  6. Step 6: Final answer
    x = 15,962.49

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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.