Home / 20,595.56-28,422.02-12,095.40

Finding the Fourth Proportional to 20,595.56, 28,422.02 and 12,095.40

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Solution

The fourth proportional to 20,595.56, 28,422.02 and 12,095.40 is: 16,691.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.56 : 28,422.02 = 12,095.40 : x
  2. Step 2: Convert to fraction form
    20,595.56/28,422.02 = 12,095.40/x
  3. Step 3: Cross multiply
    20,595.56x = 28,422.02 × 12,095.40
  4. Step 4: Simplify right side
    20,595.56x = 343,775,700.71
  5. Step 5: Solve for x
    x = 343,775,700.71/20,595.56
  6. Step 6: Final answer
    x = 16,691.74

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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.