Home / 22,037.28-30,390.48-14,490

Finding the Fourth Proportional to 22,037.28, 30,390.48 and 14,490

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Solution

The fourth proportional to 22,037.28, 30,390.48 and 14,490 is: 19,982.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,037.28 : 30,390.48 = 14,490 : x
  2. Step 2: Convert to fraction form
    22,037.28/30,390.48 = 14,490/x
  3. Step 3: Cross multiply
    22,037.28x = 30,390.48 × 14,490
  4. Step 4: Simplify right side
    22,037.28x = 440,358,055.20
  5. Step 5: Solve for x
    x = 440,358,055.20/22,037.28
  6. Step 6: Final answer
    x = 19,982.41

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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.