Home / 27,045.28-37,322.40-15,108.48

Finding the Fourth Proportional to 27,045.28, 37,322.40 and 15,108.48

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Solution

The fourth proportional to 27,045.28, 37,322.40 and 15,108.48 is: 20,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,045.28 : 37,322.40 = 15,108.48 : x
  2. Step 2: Convert to fraction form
    27,045.28/37,322.40 = 15,108.48/x
  3. Step 3: Cross multiply
    27,045.28x = 37,322.40 × 15,108.48
  4. Step 4: Simplify right side
    27,045.28x = 563,884,733.95
  5. Step 5: Solve for x
    x = 563,884,733.95/27,045.28
  6. Step 6: Final answer
    x = 20,849.65

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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.