Home / 27,698.18-38,225.67-15,762.02

Finding the Fourth Proportional to 27,698.18, 38,225.67 and 15,762.02

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Solution

The fourth proportional to 27,698.18, 38,225.67 and 15,762.02 is: 21,752.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,698.18 : 38,225.67 = 15,762.02 : x
  2. Step 2: Convert to fraction form
    27,698.18/38,225.67 = 15,762.02/x
  3. Step 3: Cross multiply
    27,698.18x = 38,225.67 × 15,762.02
  4. Step 4: Simplify right side
    27,698.18x = 602,513,775.05
  5. Step 5: Solve for x
    x = 602,513,775.05/27,698.18
  6. Step 6: Final answer
    x = 21,752.83

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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.