Home / 27,898.92-38,501.20-15,323.68

Finding the Fourth Proportional to 27,898.92, 38,501.20 and 15,323.68

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Solution

The fourth proportional to 27,898.92, 38,501.20 and 15,323.68 is: 21,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,898.92 : 38,501.20 = 15,323.68 : x
  2. Step 2: Convert to fraction form
    27,898.92/38,501.20 = 15,323.68/x
  3. Step 3: Cross multiply
    27,898.92x = 38,501.20 × 15,323.68
  4. Step 4: Simplify right side
    27,898.92x = 589,980,068.42
  5. Step 5: Solve for x
    x = 589,980,068.42/27,898.92
  6. Step 6: Final answer
    x = 21,147.06

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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.