Home / 28,498.71-42,752.65-8,777.26

Finding the Fourth Proportional to 28,498.71, 42,752.65 and 8,777.26

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Solution

The fourth proportional to 28,498.71, 42,752.65 and 8,777.26 is: 13,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,498.71 : 42,752.65 = 8,777.26 : x
  2. Step 2: Convert to fraction form
    28,498.71/42,752.65 = 8,777.26/x
  3. Step 3: Cross multiply
    28,498.71x = 42,752.65 × 8,777.26
  4. Step 4: Simplify right side
    28,498.71x = 375,250,932.92
  5. Step 5: Solve for x
    x = 375,250,932.92/28,498.71
  6. Step 6: Final answer
    x = 13,167.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.