Home / 28,038.34-42,057.51-8,316.73

Finding the Fourth Proportional to 28,038.34, 42,057.51 and 8,316.73

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Solution

The fourth proportional to 28,038.34, 42,057.51 and 8,316.73 is: 12,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,038.34 : 42,057.51 = 8,316.73 : x
  2. Step 2: Convert to fraction form
    28,038.34/42,057.51 = 8,316.73/x
  3. Step 3: Cross multiply
    28,038.34x = 42,057.51 × 8,316.73
  4. Step 4: Simplify right side
    28,038.34x = 349,780,829.21
  5. Step 5: Solve for x
    x = 349,780,829.21/28,038.34
  6. Step 6: Final answer
    x = 12,475.09

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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.