Home / 25,344.51-34,962.19-15,782.86

Finding the Fourth Proportional to 25,344.51, 34,962.19 and 15,782.86

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Solution

The fourth proportional to 25,344.51, 34,962.19 and 15,782.86 is: 21,772.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,344.51 : 34,962.19 = 15,782.86 : x
  2. Step 2: Convert to fraction form
    25,344.51/34,962.19 = 15,782.86/x
  3. Step 3: Cross multiply
    25,344.51x = 34,962.19 × 15,782.86
  4. Step 4: Simplify right side
    25,344.51x = 551,803,350.06
  5. Step 5: Solve for x
    x = 551,803,350.06/25,344.51
  6. Step 6: Final answer
    x = 21,772.11

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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.