Home / 25,685.79-35,446.05-14,356.32

Finding the Fourth Proportional to 25,685.79, 35,446.05 and 14,356.32

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Solution

The fourth proportional to 25,685.79, 35,446.05 and 14,356.32 is: 19,811.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685.79 : 35,446.05 = 14,356.32 : x
  2. Step 2: Convert to fraction form
    25,685.79/35,446.05 = 14,356.32/x
  3. Step 3: Cross multiply
    25,685.79x = 35,446.05 × 14,356.32
  4. Step 4: Simplify right side
    25,685.79x = 508,874,836.54
  5. Step 5: Solve for x
    x = 508,874,836.54/25,685.79
  6. Step 6: Final answer
    x = 19,811.53

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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.