Home / 27,900.27-38,509.29-15,970.41

Finding the Fourth Proportional to 27,900.27, 38,509.29 and 15,970.41

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Solution

The fourth proportional to 27,900.27, 38,509.29 and 15,970.41 is: 22,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.27 : 38,509.29 = 15,970.41 : x
  2. Step 2: Convert to fraction form
    27,900.27/38,509.29 = 15,970.41/x
  3. Step 3: Cross multiply
    27,900.27x = 38,509.29 × 15,970.41
  4. Step 4: Simplify right side
    27,900.27x = 615,009,150.11
  5. Step 5: Solve for x
    x = 615,009,150.11/27,900.27
  6. Step 6: Final answer
    x = 22,043.13

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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.