Home / 28,036.35-38,690.02-15,461.10

Finding the Fourth Proportional to 28,036.35, 38,690.02 and 15,461.10

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Solution

The fourth proportional to 28,036.35, 38,690.02 and 15,461.10 is: 21,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036.35 : 38,690.02 = 15,461.10 : x
  2. Step 2: Convert to fraction form
    28,036.35/38,690.02 = 15,461.10/x
  3. Step 3: Cross multiply
    28,036.35x = 38,690.02 × 15,461.10
  4. Step 4: Simplify right side
    28,036.35x = 598,190,074.77
  5. Step 5: Solve for x
    x = 598,190,074.77/28,036.35
  6. Step 6: Final answer
    x = 21,336.24

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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.