Home / 27,780.90-38,331.54-16,444.74

Finding the Fourth Proportional to 27,780.90, 38,331.54 and 16,444.74

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Solution

The fourth proportional to 27,780.90, 38,331.54 and 16,444.74 is: 22,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,780.90 : 38,331.54 = 16,444.74 : x
  2. Step 2: Convert to fraction form
    27,780.90/38,331.54 = 16,444.74/x
  3. Step 3: Cross multiply
    27,780.90x = 38,331.54 × 16,444.74
  4. Step 4: Simplify right side
    27,780.90x = 630,352,209.10
  5. Step 5: Solve for x
    x = 630,352,209.10/27,780.90
  6. Step 6: Final answer
    x = 22,690.13

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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.