Home / 27,943-38,561.52-15,368.20

Finding the Fourth Proportional to 27,943, 38,561.52 and 15,368.20

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Solution

The fourth proportional to 27,943, 38,561.52 and 15,368.20 is: 21,208.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,943 : 38,561.52 = 15,368.20 : x
  2. Step 2: Convert to fraction form
    27,943/38,561.52 = 15,368.20/x
  3. Step 3: Cross multiply
    27,943x = 38,561.52 × 15,368.20
  4. Step 4: Simplify right side
    27,943x = 592,621,151.66
  5. Step 5: Solve for x
    x = 592,621,151.66/27,943
  6. Step 6: Final answer
    x = 21,208.21

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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.