Home / 21,526.80-32,258.61-15,298.80

Finding the Fourth Proportional to 21,526.80, 32,258.61 and 15,298.80

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Solution

The fourth proportional to 21,526.80, 32,258.61 and 15,298.80 is: 22,925.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526.80 : 32,258.61 = 15,298.80 : x
  2. Step 2: Convert to fraction form
    21,526.80/32,258.61 = 15,298.80/x
  3. Step 3: Cross multiply
    21,526.80x = 32,258.61 × 15,298.80
  4. Step 4: Simplify right side
    21,526.80x = 493,518,022.67
  5. Step 5: Solve for x
    x = 493,518,022.67/21,526.80
  6. Step 6: Final answer
    x = 22,925.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.