Home / 28,070.08-38,739.08-16,137.52

Finding the Fourth Proportional to 28,070.08, 38,739.08 and 16,137.52

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Solution

The fourth proportional to 28,070.08, 38,739.08 and 16,137.52 is: 22,271.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,070.08 : 38,739.08 = 16,137.52 : x
  2. Step 2: Convert to fraction form
    28,070.08/38,739.08 = 16,137.52/x
  3. Step 3: Cross multiply
    28,070.08x = 38,739.08 × 16,137.52
  4. Step 4: Simplify right side
    28,070.08x = 625,152,678.28
  5. Step 5: Solve for x
    x = 625,152,678.28/28,070.08
  6. Step 6: Final answer
    x = 22,271.14

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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.