Home / 21,505.60-32,261.28-6,715.52

Finding the Fourth Proportional to 21,505.60, 32,261.28 and 6,715.52

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Solution

The fourth proportional to 21,505.60, 32,261.28 and 6,715.52 is: 10,074.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505.60 : 32,261.28 = 6,715.52 : x
  2. Step 2: Convert to fraction form
    21,505.60/32,261.28 = 6,715.52/x
  3. Step 3: Cross multiply
    21,505.60x = 32,261.28 × 6,715.52
  4. Step 4: Simplify right side
    21,505.60x = 216,651,271.07
  5. Step 5: Solve for x
    x = 216,651,271.07/21,505.60
  6. Step 6: Final answer
    x = 10,074.18

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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.