Home / 21,511.77-32,275.92-10,417.60

Finding the Fourth Proportional to 21,511.77, 32,275.92 and 10,417.60

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Solution

The fourth proportional to 21,511.77, 32,275.92 and 10,417.60 is: 15,630.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,511.77 : 32,275.92 = 10,417.60 : x
  2. Step 2: Convert to fraction form
    21,511.77/32,275.92 = 10,417.60/x
  3. Step 3: Cross multiply
    21,511.77x = 32,275.92 × 10,417.60
  4. Step 4: Simplify right side
    21,511.77x = 336,237,703.60
  5. Step 5: Solve for x
    x = 336,237,703.60/21,511.77
  6. Step 6: Final answer
    x = 15,630.41

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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.