Home / 28,758.07-43,137.43-10,038.13

Finding the Fourth Proportional to 28,758.07, 43,137.43 and 10,038.13

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Solution

The fourth proportional to 28,758.07, 43,137.43 and 10,038.13 is: 15,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,758.07 : 43,137.43 = 10,038.13 : x
  2. Step 2: Convert to fraction form
    28,758.07/43,137.43 = 10,038.13/x
  3. Step 3: Cross multiply
    28,758.07x = 43,137.43 × 10,038.13
  4. Step 4: Simplify right side
    28,758.07x = 433,018,997.27
  5. Step 5: Solve for x
    x = 433,018,997.27/28,758.07
  6. Step 6: Final answer
    x = 15,057.30

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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.