Home / 27,643.50-38,148.30-15,068.52

Finding the Fourth Proportional to 27,643.50, 38,148.30 and 15,068.52

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Solution

The fourth proportional to 27,643.50, 38,148.30 and 15,068.52 is: 20,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,643.50 : 38,148.30 = 15,068.52 : x
  2. Step 2: Convert to fraction form
    27,643.50/38,148.30 = 15,068.52/x
  3. Step 3: Cross multiply
    27,643.50x = 38,148.30 × 15,068.52
  4. Step 4: Simplify right side
    27,643.50x = 574,838,421.52
  5. Step 5: Solve for x
    x = 574,838,421.52/27,643.50
  6. Step 6: Final answer
    x = 20,794.70

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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.