Home / 27,523.26-37,981.31-15,587.64

Finding the Fourth Proportional to 27,523.26, 37,981.31 and 15,587.64

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Solution

The fourth proportional to 27,523.26, 37,981.31 and 15,587.64 is: 21,510.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,523.26 : 37,981.31 = 15,587.64 : x
  2. Step 2: Convert to fraction form
    27,523.26/37,981.31 = 15,587.64/x
  3. Step 3: Cross multiply
    27,523.26x = 37,981.31 × 15,587.64
  4. Step 4: Simplify right side
    27,523.26x = 592,038,909.07
  5. Step 5: Solve for x
    x = 592,038,909.07/27,523.26
  6. Step 6: Final answer
    x = 21,510.49

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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.