Home / 23,220.79-32,047.42-13,789.35

Finding the Fourth Proportional to 23,220.79, 32,047.42 and 13,789.35

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Solution

The fourth proportional to 23,220.79, 32,047.42 and 13,789.35 is: 19,030.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.79 : 32,047.42 = 13,789.35 : x
  2. Step 2: Convert to fraction form
    23,220.79/32,047.42 = 13,789.35/x
  3. Step 3: Cross multiply
    23,220.79x = 32,047.42 × 13,789.35
  4. Step 4: Simplify right side
    23,220.79x = 441,913,090.98
  5. Step 5: Solve for x
    x = 441,913,090.98/23,220.79
  6. Step 6: Final answer
    x = 19,030.92

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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.