Home / 26,649.02-36,771.04-15,315.86

Finding the Fourth Proportional to 26,649.02, 36,771.04 and 15,315.86

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Solution

The fourth proportional to 26,649.02, 36,771.04 and 15,315.86 is: 21,133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,649.02 : 36,771.04 = 15,315.86 : x
  2. Step 2: Convert to fraction form
    26,649.02/36,771.04 = 15,315.86/x
  3. Step 3: Cross multiply
    26,649.02x = 36,771.04 × 15,315.86
  4. Step 4: Simplify right side
    26,649.02x = 563,180,100.69
  5. Step 5: Solve for x
    x = 563,180,100.69/26,649.02
  6. Step 6: Final answer
    x = 21,133.24

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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.