Home / 28,050.04-38,707.14-15,475

Finding the Fourth Proportional to 28,050.04, 38,707.14 and 15,475

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Solution

The fourth proportional to 28,050.04, 38,707.14 and 15,475 is: 21,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.04 : 38,707.14 = 15,475 : x
  2. Step 2: Convert to fraction form
    28,050.04/38,707.14 = 15,475/x
  3. Step 3: Cross multiply
    28,050.04x = 38,707.14 × 15,475
  4. Step 4: Simplify right side
    28,050.04x = 598,992,991.50
  5. Step 5: Solve for x
    x = 598,992,991.50/28,050.04
  6. Step 6: Final answer
    x = 21,354.44

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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.