Home / 19,876.02-27,429.41-10,923.75

Finding the Fourth Proportional to 19,876.02, 27,429.41 and 10,923.75

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Solution

The fourth proportional to 19,876.02, 27,429.41 and 10,923.75 is: 15,075.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,876.02 : 27,429.41 = 10,923.75 : x
  2. Step 2: Convert to fraction form
    19,876.02/27,429.41 = 10,923.75/x
  3. Step 3: Cross multiply
    19,876.02x = 27,429.41 × 10,923.75
  4. Step 4: Simplify right side
    19,876.02x = 299,632,044.80
  5. Step 5: Solve for x
    x = 299,632,044.80/19,876.02
  6. Step 6: Final answer
    x = 15,075.05

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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.