Home / 27,256.86-37,612.74-15,320.02

Finding the Fourth Proportional to 27,256.86, 37,612.74 and 15,320.02

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Solution

The fourth proportional to 27,256.86, 37,612.74 and 15,320.02 is: 21,140.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,256.86 : 37,612.74 = 15,320.02 : x
  2. Step 2: Convert to fraction form
    27,256.86/37,612.74 = 15,320.02/x
  3. Step 3: Cross multiply
    27,256.86x = 37,612.74 × 15,320.02
  4. Step 4: Simplify right side
    27,256.86x = 576,227,929.05
  5. Step 5: Solve for x
    x = 576,227,929.05/27,256.86
  6. Step 6: Final answer
    x = 21,140.66

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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.