Home / 27,688.56-38,210.26-15,113.32

Finding the Fourth Proportional to 27,688.56, 38,210.26 and 15,113.32

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Solution

The fourth proportional to 27,688.56, 38,210.26 and 15,113.32 is: 20,856.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,688.56 : 38,210.26 = 15,113.32 : x
  2. Step 2: Convert to fraction form
    27,688.56/38,210.26 = 15,113.32/x
  3. Step 3: Cross multiply
    27,688.56x = 38,210.26 × 15,113.32
  4. Step 4: Simplify right side
    27,688.56x = 577,483,886.66
  5. Step 5: Solve for x
    x = 577,483,886.66/27,688.56
  6. Step 6: Final answer
    x = 20,856.41

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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.