Home / 19,890.37-29,838.30-10,024.28

Finding the Fourth Proportional to 19,890.37, 29,838.30 and 10,024.28

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Solution

The fourth proportional to 19,890.37, 29,838.30 and 10,024.28 is: 15,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890.37 : 29,838.30 = 10,024.28 : x
  2. Step 2: Convert to fraction form
    19,890.37/29,838.30 = 10,024.28/x
  3. Step 3: Cross multiply
    19,890.37x = 29,838.30 × 10,024.28
  4. Step 4: Simplify right side
    19,890.37x = 299,107,473.92
  5. Step 5: Solve for x
    x = 299,107,473.92/19,890.37
  6. Step 6: Final answer
    x = 15,037.80

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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.