Home / 28,316.85-42,475.52-8,595.40

Finding the Fourth Proportional to 28,316.85, 42,475.52 and 8,595.40

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Solution

The fourth proportional to 28,316.85, 42,475.52 and 8,595.40 is: 12,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,316.85 : 42,475.52 = 8,595.40 : x
  2. Step 2: Convert to fraction form
    28,316.85/42,475.52 = 8,595.40/x
  3. Step 3: Cross multiply
    28,316.85x = 42,475.52 × 8,595.40
  4. Step 4: Simplify right side
    28,316.85x = 365,094,084.61
  5. Step 5: Solve for x
    x = 365,094,084.61/28,316.85
  6. Step 6: Final answer
    x = 12,893.17

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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.