Home / 19,769.98-27,292.54-15,283.60

Finding the Fourth Proportional to 19,769.98, 27,292.54 and 15,283.60

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Solution

The fourth proportional to 19,769.98, 27,292.54 and 15,283.60 is: 21,099.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.98 : 27,292.54 = 15,283.60 : x
  2. Step 2: Convert to fraction form
    19,769.98/27,292.54 = 15,283.60/x
  3. Step 3: Cross multiply
    19,769.98x = 27,292.54 × 15,283.60
  4. Step 4: Simplify right side
    19,769.98x = 417,128,264.34
  5. Step 5: Solve for x
    x = 417,128,264.34/19,769.98
  6. Step 6: Final answer
    x = 21,099.07

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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.