Home / 27,293.90-37,666.32-15,357.66

Finding the Fourth Proportional to 27,293.90, 37,666.32 and 15,357.66

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Solution

The fourth proportional to 27,293.90, 37,666.32 and 15,357.66 is: 21,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,293.90 : 37,666.32 = 15,357.66 : x
  2. Step 2: Convert to fraction form
    27,293.90/37,666.32 = 15,357.66/x
  3. Step 3: Cross multiply
    27,293.90x = 37,666.32 × 15,357.66
  4. Step 4: Simplify right side
    27,293.90x = 578,466,478.42
  5. Step 5: Solve for x
    x = 578,466,478.42/27,293.90
  6. Step 6: Final answer
    x = 21,193.98

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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.