Home / 28,895.36-39,875.08-16,148.80

Finding the Fourth Proportional to 28,895.36, 39,875.08 and 16,148.80

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Solution

The fourth proportional to 28,895.36, 39,875.08 and 16,148.80 is: 22,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.36 : 39,875.08 = 16,148.80 : x
  2. Step 2: Convert to fraction form
    28,895.36/39,875.08 = 16,148.80/x
  3. Step 3: Cross multiply
    28,895.36x = 39,875.08 × 16,148.80
  4. Step 4: Simplify right side
    28,895.36x = 643,934,691.90
  5. Step 5: Solve for x
    x = 643,934,691.90/28,895.36
  6. Step 6: Final answer
    x = 22,285.06

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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.