Home / 25,085.70-37,616.40-13,980.60

Finding the Fourth Proportional to 25,085.70, 37,616.40 and 13,980.60

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Solution

The fourth proportional to 25,085.70, 37,616.40 and 13,980.60 is: 20,964.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,085.70 : 37,616.40 = 13,980.60 : x
  2. Step 2: Convert to fraction form
    25,085.70/37,616.40 = 13,980.60/x
  3. Step 3: Cross multiply
    25,085.70x = 37,616.40 × 13,980.60
  4. Step 4: Simplify right side
    25,085.70x = 525,899,841.84
  5. Step 5: Solve for x
    x = 525,899,841.84/25,085.70
  6. Step 6: Final answer
    x = 20,964.13

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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.