Home / 28,217.10-42,302.54-14,160.18

Finding the Fourth Proportional to 28,217.10, 42,302.54 and 14,160.18

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Solution

The fourth proportional to 28,217.10, 42,302.54 and 14,160.18 is: 21,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,217.10 : 42,302.54 = 14,160.18 : x
  2. Step 2: Convert to fraction form
    28,217.10/42,302.54 = 14,160.18/x
  3. Step 3: Cross multiply
    28,217.10x = 42,302.54 × 14,160.18
  4. Step 4: Simplify right side
    28,217.10x = 599,011,580.86
  5. Step 5: Solve for x
    x = 599,011,580.86/28,217.10
  6. Step 6: Final answer
    x = 21,228.67

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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.