Home / 28,903.04-39,888.24-16,329.68

Finding the Fourth Proportional to 28,903.04, 39,888.24 and 16,329.68

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Solution

The fourth proportional to 28,903.04, 39,888.24 and 16,329.68 is: 22,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.04 : 39,888.24 = 16,329.68 : x
  2. Step 2: Convert to fraction form
    28,903.04/39,888.24 = 16,329.68/x
  3. Step 3: Cross multiply
    28,903.04x = 39,888.24 × 16,329.68
  4. Step 4: Simplify right side
    28,903.04x = 651,362,194.96
  5. Step 5: Solve for x
    x = 651,362,194.96/28,903.04
  6. Step 6: Final answer
    x = 22,536.11

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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.