Home / 28,746.02-43,125.51-8,757.30

Finding the Fourth Proportional to 28,746.02, 43,125.51 and 8,757.30

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Solution

The fourth proportional to 28,746.02, 43,125.51 and 8,757.30 is: 13,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.02 : 43,125.51 = 8,757.30 : x
  2. Step 2: Convert to fraction form
    28,746.02/43,125.51 = 8,757.30/x
  3. Step 3: Cross multiply
    28,746.02x = 43,125.51 × 8,757.30
  4. Step 4: Simplify right side
    28,746.02x = 377,663,223.28
  5. Step 5: Solve for x
    x = 377,663,223.28/28,746.02
  6. Step 6: Final answer
    x = 13,137.93

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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.