Home / 25,880.16-38,830.32-10,299.36

Finding the Fourth Proportional to 25,880.16, 38,830.32 and 10,299.36

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Solution

The fourth proportional to 25,880.16, 38,830.32 and 10,299.36 is: 15,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,880.16 : 38,830.32 = 10,299.36 : x
  2. Step 2: Convert to fraction form
    25,880.16/38,830.32 = 10,299.36/x
  3. Step 3: Cross multiply
    25,880.16x = 38,830.32 × 10,299.36
  4. Step 4: Simplify right side
    25,880.16x = 399,927,444.60
  5. Step 5: Solve for x
    x = 399,927,444.60/25,880.16
  6. Step 6: Final answer
    x = 15,453.05

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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.