Home / 20,037.60-27,646.92-12,955.50

Finding the Fourth Proportional to 20,037.60, 27,646.92 and 12,955.50

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Solution

The fourth proportional to 20,037.60, 27,646.92 and 12,955.50 is: 17,875.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.60 : 27,646.92 = 12,955.50 : x
  2. Step 2: Convert to fraction form
    20,037.60/27,646.92 = 12,955.50/x
  3. Step 3: Cross multiply
    20,037.60x = 27,646.92 × 12,955.50
  4. Step 4: Simplify right side
    20,037.60x = 358,179,672.06
  5. Step 5: Solve for x
    x = 358,179,672.06/20,037.60
  6. Step 6: Final answer
    x = 17,875.38

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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.