Home / 28,518.08-42,492.88-25,414.40

Finding the Fourth Proportional to 28,518.08, 42,492.88 and 25,414.40

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Solution

The fourth proportional to 28,518.08, 42,492.88 and 25,414.40 is: 37,868.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,518.08 : 42,492.88 = 25,414.40 : x
  2. Step 2: Convert to fraction form
    28,518.08/42,492.88 = 25,414.40/x
  3. Step 3: Cross multiply
    28,518.08x = 42,492.88 × 25,414.40
  4. Step 4: Simplify right side
    28,518.08x = 1,079,931,049.47
  5. Step 5: Solve for x
    x = 1,079,931,049.47/28,518.08
  6. Step 6: Final answer
    x = 37,868.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.