Home / 27,108.96-37,421.76-16,502.40

Finding the Fourth Proportional to 27,108.96, 37,421.76 and 16,502.40

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Solution

The fourth proportional to 27,108.96, 37,421.76 and 16,502.40 is: 22,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.96 : 37,421.76 = 16,502.40 : x
  2. Step 2: Convert to fraction form
    27,108.96/37,421.76 = 16,502.40/x
  3. Step 3: Cross multiply
    27,108.96x = 37,421.76 × 16,502.40
  4. Step 4: Simplify right side
    27,108.96x = 617,548,852.22
  5. Step 5: Solve for x
    x = 617,548,852.22/27,108.96
  6. Step 6: Final answer
    x = 22,780.25

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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.