Home / 21,359.64-32,041.08-5,777.13

Finding the Fourth Proportional to 21,359.64, 32,041.08 and 5,777.13

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Solution

The fourth proportional to 21,359.64, 32,041.08 and 5,777.13 is: 8,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359.64 : 32,041.08 = 5,777.13 : x
  2. Step 2: Convert to fraction form
    21,359.64/32,041.08 = 5,777.13/x
  3. Step 3: Cross multiply
    21,359.64x = 32,041.08 × 5,777.13
  4. Step 4: Simplify right side
    21,359.64x = 185,105,484.50
  5. Step 5: Solve for x
    x = 185,105,484.50/21,359.64
  6. Step 6: Final answer
    x = 8,666.13

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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.