Home / 25,715.64-35,479.71-16,759.89

Finding the Fourth Proportional to 25,715.64, 35,479.71 and 16,759.89

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Solution

The fourth proportional to 25,715.64, 35,479.71 and 16,759.89 is: 23,123.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,715.64 : 35,479.71 = 16,759.89 : x
  2. Step 2: Convert to fraction form
    25,715.64/35,479.71 = 16,759.89/x
  3. Step 3: Cross multiply
    25,715.64x = 35,479.71 × 16,759.89
  4. Step 4: Simplify right side
    25,715.64x = 594,636,036.83
  5. Step 5: Solve for x
    x = 594,636,036.83/25,715.64
  6. Step 6: Final answer
    x = 23,123.52

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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.