Home / 28,038.08-38,666.40-18,597.44

Finding the Fourth Proportional to 28,038.08, 38,666.40 and 18,597.44

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Solution

The fourth proportional to 28,038.08, 38,666.40 and 18,597.44 is: 25,647.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,038.08 : 38,666.40 = 18,597.44 : x
  2. Step 2: Convert to fraction form
    28,038.08/38,666.40 = 18,597.44/x
  3. Step 3: Cross multiply
    28,038.08x = 38,666.40 × 18,597.44
  4. Step 4: Simplify right side
    28,038.08x = 719,096,054.02
  5. Step 5: Solve for x
    x = 719,096,054.02/28,038.08
  6. Step 6: Final answer
    x = 25,647.12

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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.