Home / 25,655.52-35,407.80-15,583.26

Finding the Fourth Proportional to 25,655.52, 35,407.80 and 15,583.26

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Solution

The fourth proportional to 25,655.52, 35,407.80 and 15,583.26 is: 21,506.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,655.52 : 35,407.80 = 15,583.26 : x
  2. Step 2: Convert to fraction form
    25,655.52/35,407.80 = 15,583.26/x
  3. Step 3: Cross multiply
    25,655.52x = 35,407.80 × 15,583.26
  4. Step 4: Simplify right side
    25,655.52x = 551,768,953.43
  5. Step 5: Solve for x
    x = 551,768,953.43/25,655.52
  6. Step 6: Final answer
    x = 21,506.83

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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.