Home / 27,646.08-38,152.14-15,070.84

Finding the Fourth Proportional to 27,646.08, 38,152.14 and 15,070.84

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Solution

The fourth proportional to 27,646.08, 38,152.14 and 15,070.84 is: 20,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646.08 : 38,152.14 = 15,070.84 : x
  2. Step 2: Convert to fraction form
    27,646.08/38,152.14 = 15,070.84/x
  3. Step 3: Cross multiply
    27,646.08x = 38,152.14 × 15,070.84
  4. Step 4: Simplify right side
    27,646.08x = 574,984,797.60
  5. Step 5: Solve for x
    x = 574,984,797.60/27,646.08
  6. Step 6: Final answer
    x = 20,798.06

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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.