Home / 28,310.64-42,465.96-9,590.76

Finding the Fourth Proportional to 28,310.64, 42,465.96 and 9,590.76

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Solution

The fourth proportional to 28,310.64, 42,465.96 and 9,590.76 is: 14,386.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,310.64 : 42,465.96 = 9,590.76 : x
  2. Step 2: Convert to fraction form
    28,310.64/42,465.96 = 9,590.76/x
  3. Step 3: Cross multiply
    28,310.64x = 42,465.96 × 9,590.76
  4. Step 4: Simplify right side
    28,310.64x = 407,280,830.53
  5. Step 5: Solve for x
    x = 407,280,830.53/28,310.64
  6. Step 6: Final answer
    x = 14,386.14

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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.