Home / 38,398.20-52,985.88-28,332.24

Finding the Fourth Proportional to 38,398.20, 52,985.88 and 28,332.24

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Solution

The fourth proportional to 38,398.20, 52,985.88 and 28,332.24 is: 39,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,398.20 : 52,985.88 = 28,332.24 : x
  2. Step 2: Convert to fraction form
    38,398.20/52,985.88 = 28,332.24/x
  3. Step 3: Cross multiply
    38,398.20x = 52,985.88 × 28,332.24
  4. Step 4: Simplify right side
    38,398.20x = 1,501,208,668.77
  5. Step 5: Solve for x
    x = 1,501,208,668.77/38,398.20
  6. Step 6: Final answer
    x = 39,095.81

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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.