Home / 23,938.80-33,035.08-13,328.64

Finding the Fourth Proportional to 23,938.80, 33,035.08 and 13,328.64

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Solution

The fourth proportional to 23,938.80, 33,035.08 and 13,328.64 is: 18,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,938.80 : 33,035.08 = 13,328.64 : x
  2. Step 2: Convert to fraction form
    23,938.80/33,035.08 = 13,328.64/x
  3. Step 3: Cross multiply
    23,938.80x = 33,035.08 × 13,328.64
  4. Step 4: Simplify right side
    23,938.80x = 440,312,688.69
  5. Step 5: Solve for x
    x = 440,312,688.69/23,938.80
  6. Step 6: Final answer
    x = 18,393.26

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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.