Home / 25,925.64-35,780.08-15,860.79

Finding the Fourth Proportional to 25,925.64, 35,780.08 and 15,860.79

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Solution

The fourth proportional to 25,925.64, 35,780.08 and 15,860.79 is: 21,889.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,925.64 : 35,780.08 = 15,860.79 : x
  2. Step 2: Convert to fraction form
    25,925.64/35,780.08 = 15,860.79/x
  3. Step 3: Cross multiply
    25,925.64x = 35,780.08 × 15,860.79
  4. Step 4: Simplify right side
    25,925.64x = 567,500,156.16
  5. Step 5: Solve for x
    x = 567,500,156.16/25,925.64
  6. Step 6: Final answer
    x = 21,889.53

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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.