Home / 27,875.16-38,460.24-16,535.21

Finding the Fourth Proportional to 27,875.16, 38,460.24 and 16,535.21

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Solution

The fourth proportional to 27,875.16, 38,460.24 and 16,535.21 is: 22,814.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,875.16 : 38,460.24 = 16,535.21 : x
  2. Step 2: Convert to fraction form
    27,875.16/38,460.24 = 16,535.21/x
  3. Step 3: Cross multiply
    27,875.16x = 38,460.24 × 16,535.21
  4. Step 4: Simplify right side
    27,875.16x = 635,947,952.75
  5. Step 5: Solve for x
    x = 635,947,952.75/27,875.16
  6. Step 6: Final answer
    x = 22,814.15

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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.