Home / 28,885.08-39,858.52-16,307.40

Finding the Fourth Proportional to 28,885.08, 39,858.52 and 16,307.40

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Solution

The fourth proportional to 28,885.08, 39,858.52 and 16,307.40 is: 22,502.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.08 : 39,858.52 = 16,307.40 : x
  2. Step 2: Convert to fraction form
    28,885.08/39,858.52 = 16,307.40/x
  3. Step 3: Cross multiply
    28,885.08x = 39,858.52 × 16,307.40
  4. Step 4: Simplify right side
    28,885.08x = 649,988,829.05
  5. Step 5: Solve for x
    x = 649,988,829.05/28,885.08
  6. Step 6: Final answer
    x = 22,502.58

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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.