Home / 38,257.63-57,389.75-10,555.63

Finding the Fourth Proportional to 38,257.63, 57,389.75 and 10,555.63

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Solution

The fourth proportional to 38,257.63, 57,389.75 and 10,555.63 is: 15,834.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,257.63 : 57,389.75 = 10,555.63 : x
  2. Step 2: Convert to fraction form
    38,257.63/57,389.75 = 10,555.63/x
  3. Step 3: Cross multiply
    38,257.63x = 57,389.75 × 10,555.63
  4. Step 4: Simplify right side
    38,257.63x = 605,784,966.79
  5. Step 5: Solve for x
    x = 605,784,966.79/38,257.63
  6. Step 6: Final answer
    x = 15,834.36

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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.