Home / 21,477.64-32,190.02-10,238.90

Finding the Fourth Proportional to 21,477.64, 32,190.02 and 10,238.90

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Solution

The fourth proportional to 21,477.64, 32,190.02 and 10,238.90 is: 15,345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477.64 : 32,190.02 = 10,238.90 : x
  2. Step 2: Convert to fraction form
    21,477.64/32,190.02 = 10,238.90/x
  3. Step 3: Cross multiply
    21,477.64x = 32,190.02 × 10,238.90
  4. Step 4: Simplify right side
    21,477.64x = 329,590,395.78
  5. Step 5: Solve for x
    x = 329,590,395.78/21,477.64
  6. Step 6: Final answer
    x = 15,345.75

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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.