Home / 21,357.45-32,036.18-10,261.53

Finding the Fourth Proportional to 21,357.45, 32,036.18 and 10,261.53

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Solution

The fourth proportional to 21,357.45, 32,036.18 and 10,261.53 is: 15,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,357.45 : 32,036.18 = 10,261.53 : x
  2. Step 2: Convert to fraction form
    21,357.45/32,036.18 = 10,261.53/x
  3. Step 3: Cross multiply
    21,357.45x = 32,036.18 × 10,261.53
  4. Step 4: Simplify right side
    21,357.45x = 328,740,170.85
  5. Step 5: Solve for x
    x = 328,740,170.85/21,357.45
  6. Step 6: Final answer
    x = 15,392.30

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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.