Home / 26,457.72-36,512.63-15,127.21

Finding the Fourth Proportional to 26,457.72, 36,512.63 and 15,127.21

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Solution

The fourth proportional to 26,457.72, 36,512.63 and 15,127.21 is: 20,876.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,457.72 : 36,512.63 = 15,127.21 : x
  2. Step 2: Convert to fraction form
    26,457.72/36,512.63 = 15,127.21/x
  3. Step 3: Cross multiply
    26,457.72x = 36,512.63 × 15,127.21
  4. Step 4: Simplify right side
    26,457.72x = 552,334,221.66
  5. Step 5: Solve for x
    x = 552,334,221.66/26,457.72
  6. Step 6: Final answer
    x = 20,876.11

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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.