Home / 26,658.36-36,783.72-15,325.20

Finding the Fourth Proportional to 26,658.36, 36,783.72 and 15,325.20

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Solution

The fourth proportional to 26,658.36, 36,783.72 and 15,325.20 is: 21,146.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,658.36 : 36,783.72 = 15,325.20 : x
  2. Step 2: Convert to fraction form
    26,658.36/36,783.72 = 15,325.20/x
  3. Step 3: Cross multiply
    26,658.36x = 36,783.72 × 15,325.20
  4. Step 4: Simplify right side
    26,658.36x = 563,717,865.74
  5. Step 5: Solve for x
    x = 563,717,865.74/26,658.36
  6. Step 6: Final answer
    x = 21,146.01

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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.