Home / 28,653.90-42,883.65-25,154.70

Finding the Fourth Proportional to 28,653.90, 42,883.65 and 25,154.70

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Solution

The fourth proportional to 28,653.90, 42,883.65 and 25,154.70 is: 37,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653.90 : 42,883.65 = 25,154.70 : x
  2. Step 2: Convert to fraction form
    28,653.90/42,883.65 = 25,154.70/x
  3. Step 3: Cross multiply
    28,653.90x = 42,883.65 × 25,154.70
  4. Step 4: Simplify right side
    28,653.90x = 1,078,725,350.66
  5. Step 5: Solve for x
    x = 1,078,725,350.66/28,653.90
  6. Step 6: Final answer
    x = 37,646.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.