Home / 19,970.28-27,595.62-17,309.16

Finding the Fourth Proportional to 19,970.28, 27,595.62 and 17,309.16

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Solution

The fourth proportional to 19,970.28, 27,595.62 and 17,309.16 is: 23,918.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.28 : 27,595.62 = 17,309.16 : x
  2. Step 2: Convert to fraction form
    19,970.28/27,595.62 = 17,309.16/x
  3. Step 3: Cross multiply
    19,970.28x = 27,595.62 × 17,309.16
  4. Step 4: Simplify right side
    19,970.28x = 477,657,001.88
  5. Step 5: Solve for x
    x = 477,657,001.88/19,970.28
  6. Step 6: Final answer
    x = 23,918.39

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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.