Home / 28,320.41-42,471.30-9,595.64

Finding the Fourth Proportional to 28,320.41, 42,471.30 and 9,595.64

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Solution

The fourth proportional to 28,320.41, 42,471.30 and 9,595.64 is: 14,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,320.41 : 42,471.30 = 9,595.64 : x
  2. Step 2: Convert to fraction form
    28,320.41/42,471.30 = 9,595.64/x
  3. Step 3: Cross multiply
    28,320.41x = 42,471.30 × 9,595.64
  4. Step 4: Simplify right side
    28,320.41x = 407,539,305.13
  5. Step 5: Solve for x
    x = 407,539,305.13/28,320.41
  6. Step 6: Final answer
    x = 14,390.30

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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.