Home / 27,569.80-38,003.70-16,939.40

Finding the Fourth Proportional to 27,569.80, 38,003.70 and 16,939.40

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Solution

The fourth proportional to 27,569.80, 38,003.70 and 16,939.40 is: 23,350.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,569.80 : 38,003.70 = 16,939.40 : x
  2. Step 2: Convert to fraction form
    27,569.80/38,003.70 = 16,939.40/x
  3. Step 3: Cross multiply
    27,569.80x = 38,003.70 × 16,939.40
  4. Step 4: Simplify right side
    27,569.80x = 643,759,875.78
  5. Step 5: Solve for x
    x = 643,759,875.78/27,569.80
  6. Step 6: Final answer
    x = 23,350.18

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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.