Home / 28,595.36-39,461.52-16,020

Finding the Fourth Proportional to 28,595.36, 39,461.52 and 16,020

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Solution

The fourth proportional to 28,595.36, 39,461.52 and 16,020 is: 22,107.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,595.36 : 39,461.52 = 16,020 : x
  2. Step 2: Convert to fraction form
    28,595.36/39,461.52 = 16,020/x
  3. Step 3: Cross multiply
    28,595.36x = 39,461.52 × 16,020
  4. Step 4: Simplify right side
    28,595.36x = 632,173,550.40
  5. Step 5: Solve for x
    x = 632,173,550.40/28,595.36
  6. Step 6: Final answer
    x = 22,107.56

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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.