Home / 21,528.51-32,263.53-10,413.15

Finding the Fourth Proportional to 21,528.51, 32,263.53 and 10,413.15

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Solution

The fourth proportional to 21,528.51, 32,263.53 and 10,413.15 is: 15,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,528.51 : 32,263.53 = 10,413.15 : x
  2. Step 2: Convert to fraction form
    21,528.51/32,263.53 = 10,413.15/x
  3. Step 3: Cross multiply
    21,528.51x = 32,263.53 × 10,413.15
  4. Step 4: Simplify right side
    21,528.51x = 335,964,977.42
  5. Step 5: Solve for x
    x = 335,964,977.42/21,528.51
  6. Step 6: Final answer
    x = 15,605.58

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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.