Home / 26,647.02-36,768.28-15,313.86

Finding the Fourth Proportional to 26,647.02, 36,768.28 and 15,313.86

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Solution

The fourth proportional to 26,647.02, 36,768.28 and 15,313.86 is: 21,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,647.02 : 36,768.28 = 15,313.86 : x
  2. Step 2: Convert to fraction form
    26,647.02/36,768.28 = 15,313.86/x
  3. Step 3: Cross multiply
    26,647.02x = 36,768.28 × 15,313.86
  4. Step 4: Simplify right side
    26,647.02x = 563,064,292.36
  5. Step 5: Solve for x
    x = 563,064,292.36/26,647.02
  6. Step 6: Final answer
    x = 21,130.48

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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.