Home / 28,085.73-38,752.59-17,880.84

Finding the Fourth Proportional to 28,085.73, 38,752.59 and 17,880.84

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Solution

The fourth proportional to 28,085.73, 38,752.59 and 17,880.84 is: 24,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,085.73 : 38,752.59 = 17,880.84 : x
  2. Step 2: Convert to fraction form
    28,085.73/38,752.59 = 17,880.84/x
  3. Step 3: Cross multiply
    28,085.73x = 38,752.59 × 17,880.84
  4. Step 4: Simplify right side
    28,085.73x = 692,928,861.38
  5. Step 5: Solve for x
    x = 692,928,861.38/28,085.73
  6. Step 6: Final answer
    x = 24,671.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.