Home / 28,692.09-39,595.09-15,946.44

Finding the Fourth Proportional to 28,692.09, 39,595.09 and 15,946.44

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Solution

The fourth proportional to 28,692.09, 39,595.09 and 15,946.44 is: 22,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.09 : 39,595.09 = 15,946.44 : x
  2. Step 2: Convert to fraction form
    28,692.09/39,595.09 = 15,946.44/x
  3. Step 3: Cross multiply
    28,692.09x = 39,595.09 × 15,946.44
  4. Step 4: Simplify right side
    28,692.09x = 631,400,925.04
  5. Step 5: Solve for x
    x = 631,400,925.04/28,692.09
  6. Step 6: Final answer
    x = 22,006.10

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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.