Home / 28,300.80-39,055.92-16,363.08

Finding the Fourth Proportional to 28,300.80, 39,055.92 and 16,363.08

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Solution

The fourth proportional to 28,300.80, 39,055.92 and 16,363.08 is: 22,581.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,300.80 : 39,055.92 = 16,363.08 : x
  2. Step 2: Convert to fraction form
    28,300.80/39,055.92 = 16,363.08/x
  3. Step 3: Cross multiply
    28,300.80x = 39,055.92 × 16,363.08
  4. Step 4: Simplify right side
    28,300.80x = 639,075,143.43
  5. Step 5: Solve for x
    x = 639,075,143.43/28,300.80
  6. Step 6: Final answer
    x = 22,581.52

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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.