Home / 28,444.91-39,253.90-15,698.00

Finding the Fourth Proportional to 28,444.91, 39,253.90 and 15,698.00

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Solution

The fourth proportional to 28,444.91, 39,253.90 and 15,698.00 is: 21,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444.91 : 39,253.90 = 15,698.00 : x
  2. Step 2: Convert to fraction form
    28,444.91/39,253.90 = 15,698.00/x
  3. Step 3: Cross multiply
    28,444.91x = 39,253.90 × 15,698.00
  4. Step 4: Simplify right side
    28,444.91x = 616,207,729.57
  5. Step 5: Solve for x
    x = 616,207,729.57/28,444.91
  6. Step 6: Final answer
    x = 21,663.20

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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.