Home / 27,966.80-38,595.08-16,032.40

Finding the Fourth Proportional to 27,966.80, 38,595.08 and 16,032.40

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Solution

The fourth proportional to 27,966.80, 38,595.08 and 16,032.40 is: 22,125.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,966.80 : 38,595.08 = 16,032.40 : x
  2. Step 2: Convert to fraction form
    27,966.80/38,595.08 = 16,032.40/x
  3. Step 3: Cross multiply
    27,966.80x = 38,595.08 × 16,032.40
  4. Step 4: Simplify right side
    27,966.80x = 618,771,760.59
  5. Step 5: Solve for x
    x = 618,771,760.59/27,966.80
  6. Step 6: Final answer
    x = 22,125.23

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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.