Home / 27,484.56-37,928.68-14,909.20

Finding the Fourth Proportional to 27,484.56, 37,928.68 and 14,909.20

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Solution

The fourth proportional to 27,484.56, 37,928.68 and 14,909.20 is: 20,574.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,484.56 : 37,928.68 = 14,909.20 : x
  2. Step 2: Convert to fraction form
    27,484.56/37,928.68 = 14,909.20/x
  3. Step 3: Cross multiply
    27,484.56x = 37,928.68 × 14,909.20
  4. Step 4: Simplify right side
    27,484.56x = 565,486,275.86
  5. Step 5: Solve for x
    x = 565,486,275.86/27,484.56
  6. Step 6: Final answer
    x = 20,574.69

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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.