Home / 28,532.34-39,373.56-15,956.28

Finding the Fourth Proportional to 28,532.34, 39,373.56 and 15,956.28

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Solution

The fourth proportional to 28,532.34, 39,373.56 and 15,956.28 is: 22,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532.34 : 39,373.56 = 15,956.28 : x
  2. Step 2: Convert to fraction form
    28,532.34/39,373.56 = 15,956.28/x
  3. Step 3: Cross multiply
    28,532.34x = 39,373.56 × 15,956.28
  4. Step 4: Simplify right side
    28,532.34x = 628,255,547.96
  5. Step 5: Solve for x
    x = 628,255,547.96/28,532.34
  6. Step 6: Final answer
    x = 22,019.07

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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.