Home / 28,606.23-42,908.94-13,807.53

Finding the Fourth Proportional to 28,606.23, 42,908.94 and 13,807.53

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Solution

The fourth proportional to 28,606.23, 42,908.94 and 13,807.53 is: 20,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,606.23 : 42,908.94 = 13,807.53 : x
  2. Step 2: Convert to fraction form
    28,606.23/42,908.94 = 13,807.53/x
  3. Step 3: Cross multiply
    28,606.23x = 42,908.94 × 13,807.53
  4. Step 4: Simplify right side
    28,606.23x = 592,466,476.32
  5. Step 5: Solve for x
    x = 592,466,476.32/28,606.23
  6. Step 6: Final answer
    x = 20,711.10

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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.