Home / 32,927.68-45,447.60-20,988.64

Finding the Fourth Proportional to 32,927.68, 45,447.60 and 20,988.64

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Solution

The fourth proportional to 32,927.68, 45,447.60 and 20,988.64 is: 28,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,927.68 : 45,447.60 = 20,988.64 : x
  2. Step 2: Convert to fraction form
    32,927.68/45,447.60 = 20,988.64/x
  3. Step 3: Cross multiply
    32,927.68x = 45,447.60 × 20,988.64
  4. Step 4: Simplify right side
    32,927.68x = 953,883,315.26
  5. Step 5: Solve for x
    x = 953,883,315.26/32,927.68
  6. Step 6: Final answer
    x = 28,969.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.