Home / 38,423.25-53,023.99-21,427.52

Finding the Fourth Proportional to 38,423.25, 53,023.99 and 21,427.52

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Solution

The fourth proportional to 38,423.25, 53,023.99 and 21,427.52 is: 29,569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423.25 : 53,023.99 = 21,427.52 : x
  2. Step 2: Convert to fraction form
    38,423.25/53,023.99 = 21,427.52/x
  3. Step 3: Cross multiply
    38,423.25x = 53,023.99 × 21,427.52
  4. Step 4: Simplify right side
    38,423.25x = 1,136,172,347.01
  5. Step 5: Solve for x
    x = 1,136,172,347.01/38,423.25
  6. Step 6: Final answer
    x = 29,569.92

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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.