Home / 21,288.02-29,362.30-14,573.93

Finding the Fourth Proportional to 21,288.02, 29,362.30 and 14,573.93

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Solution

The fourth proportional to 21,288.02, 29,362.30 and 14,573.93 is: 20,101.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,288.02 : 29,362.30 = 14,573.93 : x
  2. Step 2: Convert to fraction form
    21,288.02/29,362.30 = 14,573.93/x
  3. Step 3: Cross multiply
    21,288.02x = 29,362.30 × 14,573.93
  4. Step 4: Simplify right side
    21,288.02x = 427,923,921.59
  5. Step 5: Solve for x
    x = 427,923,921.59/21,288.02
  6. Step 6: Final answer
    x = 20,101.64

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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.