Home / 28,025.94-42,038.80-9,307.38

Finding the Fourth Proportional to 28,025.94, 42,038.80 and 9,307.38

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Solution

The fourth proportional to 28,025.94, 42,038.80 and 9,307.38 is: 13,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.94 : 42,038.80 = 9,307.38 : x
  2. Step 2: Convert to fraction form
    28,025.94/42,038.80 = 9,307.38/x
  3. Step 3: Cross multiply
    28,025.94x = 42,038.80 × 9,307.38
  4. Step 4: Simplify right side
    28,025.94x = 391,271,086.34
  5. Step 5: Solve for x
    x = 391,271,086.34/28,025.94
  6. Step 6: Final answer
    x = 13,961.03

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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.