Home / 19,889.37-29,836.80-10,023.28

Finding the Fourth Proportional to 19,889.37, 29,836.80 and 10,023.28

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Solution

The fourth proportional to 19,889.37, 29,836.80 and 10,023.28 is: 15,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889.37 : 29,836.80 = 10,023.28 : x
  2. Step 2: Convert to fraction form
    19,889.37/29,836.80 = 10,023.28/x
  3. Step 3: Cross multiply
    19,889.37x = 29,836.80 × 10,023.28
  4. Step 4: Simplify right side
    19,889.37x = 299,062,526.11
  5. Step 5: Solve for x
    x = 299,062,526.11/19,889.37
  6. Step 6: Final answer
    x = 15,036.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.