Home / 25,258.10-37,878.95-11,929.04

Finding the Fourth Proportional to 25,258.10, 37,878.95 and 11,929.04

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Solution

The fourth proportional to 25,258.10, 37,878.95 and 11,929.04 is: 17,889.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,258.10 : 37,878.95 = 11,929.04 : x
  2. Step 2: Convert to fraction form
    25,258.10/37,878.95 = 11,929.04/x
  3. Step 3: Cross multiply
    25,258.10x = 37,878.95 × 11,929.04
  4. Step 4: Simplify right side
    25,258.10x = 451,859,509.71
  5. Step 5: Solve for x
    x = 451,859,509.71/25,258.10
  6. Step 6: Final answer
    x = 17,889.69

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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.