Home / 27,248.64-37,599.24-15,311.40

Finding the Fourth Proportional to 27,248.64, 37,599.24 and 15,311.40

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Solution

The fourth proportional to 27,248.64, 37,599.24 and 15,311.40 is: 21,127.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,248.64 : 37,599.24 = 15,311.40 : x
  2. Step 2: Convert to fraction form
    27,248.64/37,599.24 = 15,311.40/x
  3. Step 3: Cross multiply
    27,248.64x = 37,599.24 × 15,311.40
  4. Step 4: Simplify right side
    27,248.64x = 575,697,003.34
  5. Step 5: Solve for x
    x = 575,697,003.34/27,248.64
  6. Step 6: Final answer
    x = 21,127.55

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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.