Home / 27,513.08-37,970.40-15,578.52

Finding the Fourth Proportional to 27,513.08, 37,970.40 and 15,578.52

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Solution

The fourth proportional to 27,513.08, 37,970.40 and 15,578.52 is: 21,499.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,513.08 : 37,970.40 = 15,578.52 : x
  2. Step 2: Convert to fraction form
    27,513.08/37,970.40 = 15,578.52/x
  3. Step 3: Cross multiply
    27,513.08x = 37,970.40 × 15,578.52
  4. Step 4: Simplify right side
    27,513.08x = 591,522,635.81
  5. Step 5: Solve for x
    x = 591,522,635.81/27,513.08
  6. Step 6: Final answer
    x = 21,499.69

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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.