Home / 28,518.40-39,354.24-16,582.08

Finding the Fourth Proportional to 28,518.40, 39,354.24 and 16,582.08

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Solution

The fourth proportional to 28,518.40, 39,354.24 and 16,582.08 is: 22,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,518.40 : 39,354.24 = 16,582.08 : x
  2. Step 2: Convert to fraction form
    28,518.40/39,354.24 = 16,582.08/x
  3. Step 3: Cross multiply
    28,518.40x = 39,354.24 × 16,582.08
  4. Step 4: Simplify right side
    28,518.40x = 652,575,156.02
  5. Step 5: Solve for x
    x = 652,575,156.02/28,518.40
  6. Step 6: Final answer
    x = 22,882.60

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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.