Home / 22,707.76-31,341.04-15,037.51

Finding the Fourth Proportional to 22,707.76, 31,341.04 and 15,037.51

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Solution

The fourth proportional to 22,707.76, 31,341.04 and 15,037.51 is: 20,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,707.76 : 31,341.04 = 15,037.51 : x
  2. Step 2: Convert to fraction form
    22,707.76/31,341.04 = 15,037.51/x
  3. Step 3: Cross multiply
    22,707.76x = 31,341.04 × 15,037.51
  4. Step 4: Simplify right side
    22,707.76x = 471,290,970.52
  5. Step 5: Solve for x
    x = 471,290,970.52/22,707.76
  6. Step 6: Final answer
    x = 20,754.63

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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.