Home / 21,500.48-32,250.88-6,710.40

Finding the Fourth Proportional to 21,500.48, 32,250.88 and 6,710.40

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Solution

The fourth proportional to 21,500.48, 32,250.88 and 6,710.40 is: 10,065.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,500.48 : 32,250.88 = 6,710.40 : x
  2. Step 2: Convert to fraction form
    21,500.48/32,250.88 = 6,710.40/x
  3. Step 3: Cross multiply
    21,500.48x = 32,250.88 × 6,710.40
  4. Step 4: Simplify right side
    21,500.48x = 216,416,305.15
  5. Step 5: Solve for x
    x = 216,416,305.15/21,500.48
  6. Step 6: Final answer
    x = 10,065.65

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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.