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Finding the Fourth Proportional to 19,250.70, 27,009.30 and 19,250.70

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Solution

The fourth proportional to 19,250.70, 27,009.30 and 19,250.70 is: 27,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,250.70 : 27,009.30 = 19,250.70 : x
  2. Step 2: Convert to fraction form
    19,250.70/27,009.30 = 19,250.70/x
  3. Step 3: Cross multiply
    19,250.70x = 27,009.30 × 19,250.70
  4. Step 4: Simplify right side
    19,250.70x = 519,947,931.51
  5. Step 5: Solve for x
    x = 519,947,931.51/19,250.70
  6. Step 6: Final answer
    x = 27,009.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.