Home / 28,583.95-39,438.71-16,488.13

Finding the Fourth Proportional to 28,583.95, 39,438.71 and 16,488.13

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Solution

The fourth proportional to 28,583.95, 39,438.71 and 16,488.13 is: 22,749.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,583.95 : 39,438.71 = 16,488.13 : x
  2. Step 2: Convert to fraction form
    28,583.95/39,438.71 = 16,488.13/x
  3. Step 3: Cross multiply
    28,583.95x = 39,438.71 × 16,488.13
  4. Step 4: Simplify right side
    28,583.95x = 650,270,577.51
  5. Step 5: Solve for x
    x = 650,270,577.51/28,583.95
  6. Step 6: Final answer
    x = 22,749.50

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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.