Home / 27,646.72-38,152.56-15,071.52

Finding the Fourth Proportional to 27,646.72, 38,152.56 and 15,071.52

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Solution

The fourth proportional to 27,646.72, 38,152.56 and 15,071.52 is: 20,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646.72 : 38,152.56 = 15,071.52 : x
  2. Step 2: Convert to fraction form
    27,646.72/38,152.56 = 15,071.52/x
  3. Step 3: Cross multiply
    27,646.72x = 38,152.56 × 15,071.52
  4. Step 4: Simplify right side
    27,646.72x = 575,017,071.09
  5. Step 5: Solve for x
    x = 575,017,071.09/27,646.72
  6. Step 6: Final answer
    x = 20,798.74

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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.