Home / 27,770.57-38,283.51-19,798.95

Finding the Fourth Proportional to 27,770.57, 38,283.51 and 19,798.95

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Solution

The fourth proportional to 27,770.57, 38,283.51 and 19,798.95 is: 27,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,770.57 : 38,283.51 = 19,798.95 : x
  2. Step 2: Convert to fraction form
    27,770.57/38,283.51 = 19,798.95/x
  3. Step 3: Cross multiply
    27,770.57x = 38,283.51 × 19,798.95
  4. Step 4: Simplify right side
    27,770.57x = 757,973,300.31
  5. Step 5: Solve for x
    x = 757,973,300.31/27,770.57
  6. Step 6: Final answer
    x = 27,294.13

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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.