Home / 25,698.48-35,468.54-15,088.70

Finding the Fourth Proportional to 25,698.48, 35,468.54 and 15,088.70

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Solution

The fourth proportional to 25,698.48, 35,468.54 and 15,088.70 is: 20,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,698.48 : 35,468.54 = 15,088.70 : x
  2. Step 2: Convert to fraction form
    25,698.48/35,468.54 = 15,088.70/x
  3. Step 3: Cross multiply
    25,698.48x = 35,468.54 × 15,088.70
  4. Step 4: Simplify right side
    25,698.48x = 535,173,906.71
  5. Step 5: Solve for x
    x = 535,173,906.71/25,698.48
  6. Step 6: Final answer
    x = 20,825.12

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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.