Home / 25,599.35-35,328.72-15,528.74

Finding the Fourth Proportional to 25,599.35, 35,328.72 and 15,528.74

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Solution

The fourth proportional to 25,599.35, 35,328.72 and 15,528.74 is: 21,430.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,599.35 : 35,328.72 = 15,528.74 : x
  2. Step 2: Convert to fraction form
    25,599.35/35,328.72 = 15,528.74/x
  3. Step 3: Cross multiply
    25,599.35x = 35,328.72 × 15,528.74
  4. Step 4: Simplify right side
    25,599.35x = 548,610,507.41
  5. Step 5: Solve for x
    x = 548,610,507.41/25,599.35
  6. Step 6: Final answer
    x = 21,430.64

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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.