Home / 27,947.81-38,565.64-16,460.90

Finding the Fourth Proportional to 27,947.81, 38,565.64 and 16,460.90

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Solution

The fourth proportional to 27,947.81, 38,565.64 and 16,460.90 is: 22,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,947.81 : 38,565.64 = 16,460.90 : x
  2. Step 2: Convert to fraction form
    27,947.81/38,565.64 = 16,460.90/x
  3. Step 3: Cross multiply
    27,947.81x = 38,565.64 × 16,460.90
  4. Step 4: Simplify right side
    27,947.81x = 634,824,909.50
  5. Step 5: Solve for x
    x = 634,824,909.50/27,947.81
  6. Step 6: Final answer
    x = 22,714.65

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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.