Home / 25,777.84-35,572.08-15,173.32

Finding the Fourth Proportional to 25,777.84, 35,572.08 and 15,173.32

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Solution

The fourth proportional to 25,777.84, 35,572.08 and 15,173.32 is: 20,938.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,777.84 : 35,572.08 = 15,173.32 : x
  2. Step 2: Convert to fraction form
    25,777.84/35,572.08 = 15,173.32/x
  3. Step 3: Cross multiply
    25,777.84x = 35,572.08 × 15,173.32
  4. Step 4: Simplify right side
    25,777.84x = 539,746,552.91
  5. Step 5: Solve for x
    x = 539,746,552.91/25,777.84
  6. Step 6: Final answer
    x = 20,938.39

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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.