Home / 28,475.16-39,296.14-16,538.50

Finding the Fourth Proportional to 28,475.16, 39,296.14 and 16,538.50

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Solution

The fourth proportional to 28,475.16, 39,296.14 and 16,538.50 is: 22,823.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,475.16 : 39,296.14 = 16,538.50 : x
  2. Step 2: Convert to fraction form
    28,475.16/39,296.14 = 16,538.50/x
  3. Step 3: Cross multiply
    28,475.16x = 39,296.14 × 16,538.50
  4. Step 4: Simplify right side
    28,475.16x = 649,899,030.46
  5. Step 5: Solve for x
    x = 649,899,030.46/28,475.16
  6. Step 6: Final answer
    x = 22,823.37

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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.