Home / 28,036.44-42,061.26-8,315.16

Finding the Fourth Proportional to 28,036.44, 42,061.26 and 8,315.16

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Solution

The fourth proportional to 28,036.44, 42,061.26 and 8,315.16 is: 12,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036.44 : 42,061.26 = 8,315.16 : x
  2. Step 2: Convert to fraction form
    28,036.44/42,061.26 = 8,315.16/x
  3. Step 3: Cross multiply
    28,036.44x = 42,061.26 × 8,315.16
  4. Step 4: Simplify right side
    28,036.44x = 349,746,106.70
  5. Step 5: Solve for x
    x = 349,746,106.70/28,036.44
  6. Step 6: Final answer
    x = 12,474.70

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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.