Home / 28,088.28-38,762.37-15,341.94

Finding the Fourth Proportional to 28,088.28, 38,762.37 and 15,341.94

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Solution

The fourth proportional to 28,088.28, 38,762.37 and 15,341.94 is: 21,172.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088.28 : 38,762.37 = 15,341.94 : x
  2. Step 2: Convert to fraction form
    28,088.28/38,762.37 = 15,341.94/x
  3. Step 3: Cross multiply
    28,088.28x = 38,762.37 × 15,341.94
  4. Step 4: Simplify right side
    28,088.28x = 594,689,954.80
  5. Step 5: Solve for x
    x = 594,689,954.80/28,088.28
  6. Step 6: Final answer
    x = 21,172.17

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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.