Home / 38,692.80-58,013.28-15,312.96

Finding the Fourth Proportional to 38,692.80, 58,013.28 and 15,312.96

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Solution

The fourth proportional to 38,692.80, 58,013.28 and 15,312.96 is: 22,959.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,692.80 : 58,013.28 = 15,312.96 : x
  2. Step 2: Convert to fraction form
    38,692.80/58,013.28 = 15,312.96/x
  3. Step 3: Cross multiply
    38,692.80x = 58,013.28 × 15,312.96
  4. Step 4: Simplify right side
    38,692.80x = 888,355,036.11
  5. Step 5: Solve for x
    x = 888,355,036.11/38,692.80
  6. Step 6: Final answer
    x = 22,959.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.