Home / 28,317.88-42,476.95-7,541.38

Finding the Fourth Proportional to 28,317.88, 42,476.95 and 7,541.38

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Solution

The fourth proportional to 28,317.88, 42,476.95 and 7,541.38 is: 11,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,317.88 : 42,476.95 = 7,541.38 : x
  2. Step 2: Convert to fraction form
    28,317.88/42,476.95 = 7,541.38/x
  3. Step 3: Cross multiply
    28,317.88x = 42,476.95 × 7,541.38
  4. Step 4: Simplify right side
    28,317.88x = 320,334,608.81
  5. Step 5: Solve for x
    x = 320,334,608.81/28,317.88
  6. Step 6: Final answer
    x = 11,312.10

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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.