Home / 28,030.64-38,675.45-16,692.86

Finding the Fourth Proportional to 28,030.64, 38,675.45 and 16,692.86

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Solution

The fourth proportional to 28,030.64, 38,675.45 and 16,692.86 is: 23,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030.64 : 38,675.45 = 16,692.86 : x
  2. Step 2: Convert to fraction form
    28,030.64/38,675.45 = 16,692.86/x
  3. Step 3: Cross multiply
    28,030.64x = 38,675.45 × 16,692.86
  4. Step 4: Simplify right side
    28,030.64x = 645,603,595.45
  5. Step 5: Solve for x
    x = 645,603,595.45/28,030.64
  6. Step 6: Final answer
    x = 23,032.07

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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.