Home / 28,498.40-42,752.39-8,776.52

Finding the Fourth Proportional to 28,498.40, 42,752.39 and 8,776.52

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Solution

The fourth proportional to 28,498.40, 42,752.39 and 8,776.52 is: 13,166.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,498.40 : 42,752.39 = 8,776.52 : x
  2. Step 2: Convert to fraction form
    28,498.40/42,752.39 = 8,776.52/x
  3. Step 3: Cross multiply
    28,498.40x = 42,752.39 × 8,776.52
  4. Step 4: Simplify right side
    28,498.40x = 375,216,948.24
  5. Step 5: Solve for x
    x = 375,216,948.24/28,498.40
  6. Step 6: Final answer
    x = 13,166.25

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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.