Home / 28,299.47-39,051.36-15,552.37

Finding the Fourth Proportional to 28,299.47, 39,051.36 and 15,552.37

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Solution

The fourth proportional to 28,299.47, 39,051.36 and 15,552.37 is: 21,461.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,299.47 : 39,051.36 = 15,552.37 : x
  2. Step 2: Convert to fraction form
    28,299.47/39,051.36 = 15,552.37/x
  3. Step 3: Cross multiply
    28,299.47x = 39,051.36 × 15,552.37
  4. Step 4: Simplify right side
    28,299.47x = 607,341,248.54
  5. Step 5: Solve for x
    x = 607,341,248.54/28,299.47
  6. Step 6: Final answer
    x = 21,461.23

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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.