Home / 25,905.84-35,750.46-15,295.47

Finding the Fourth Proportional to 25,905.84, 35,750.46 and 15,295.47

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Solution

The fourth proportional to 25,905.84, 35,750.46 and 15,295.47 is: 21,107.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,905.84 : 35,750.46 = 15,295.47 : x
  2. Step 2: Convert to fraction form
    25,905.84/35,750.46 = 15,295.47/x
  3. Step 3: Cross multiply
    25,905.84x = 35,750.46 × 15,295.47
  4. Step 4: Simplify right side
    25,905.84x = 546,820,088.42
  5. Step 5: Solve for x
    x = 546,820,088.42/25,905.84
  6. Step 6: Final answer
    x = 21,107.99

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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.