Home / 28,009.48-38,652.75-15,263.23

Finding the Fourth Proportional to 28,009.48, 38,652.75 and 15,263.23

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Solution

The fourth proportional to 28,009.48, 38,652.75 and 15,263.23 is: 21,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,009.48 : 38,652.75 = 15,263.23 : x
  2. Step 2: Convert to fraction form
    28,009.48/38,652.75 = 15,263.23/x
  3. Step 3: Cross multiply
    28,009.48x = 38,652.75 × 15,263.23
  4. Step 4: Simplify right side
    28,009.48x = 589,965,813.38
  5. Step 5: Solve for x
    x = 589,965,813.38/28,009.48
  6. Step 6: Final answer
    x = 21,063.08

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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.